Letter Prince William, Duke of Cumberland to William Cavendish, 4th Duke of Devonshire

This material is held atThe Devonshire Collection Archives, Chatsworth

Reference
- GB 2495 CS4/1979
Former Reference
- GB 2495 CS1/332.24
Dates of Creation
- 14 November 1763
Name of Creator
- William Augustus, 1721-1765, Duke of Cumberland, son of King George II
Physical Description
- 1 sheet

Scope and Content

Concerns his wish to see the 4th Duke the next day to discuss Pitt's refusal of office. Written from Windsor Great Lodge. Signed: "William".

Conditions Governing Use

Copyright held by Chatsworth House Trust.

Personal Names

William Augustus, 1721-1765, Duke of Cumberland, son of King George II

Archive Record|Table of contents

Correspondence of William Cavendish, 4th Duke of DevonshireCS4

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1

Letter from Richard Newcome, Bishop of Landaff to William Cavendish, 4th Duke of DevonshireCS4/2

Letter from Thomas Heaton to William Cavendish, 4th Duke of DevonshireCS4/3

Letter from Philip Yorke, 1st Earl of Hardwicke to William Cavendish, 4th Duke of DevonshireCS4/4

Letter from Hutton Perkins to William Cavendish, 4th Duke of DevonshireCS4/5

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/6

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/7

Letter from Lord George Augustus Cavendish to William Cavendish, 4th Duke of DevonshireCS4/8

An Abstract of Tradesmen's bills paid by His Grace the Duke of Devonshire from the 11th Nov. 1755 to the 9th December, being the sixth monthly paymentCS4/9

Letter from Lord Charles Cavendish to William Cavendish, 4th Duke of DevonshireCS4/10

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/11

Letter from Lord George Augustus Cavendish to William Cavendish, 4th Duke of DevonshireCS4/12

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/13

Letter from William Cavendish, 4th Duke of Devonshire to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/14

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/15

Copy of minutes of a conversation with Mr. Mitchell concerning diplomatic negotiations with Prussia written by Robert Darcy, 4th Earl of HoldernessCS4/16

Letter from Sir Anthony Thomas Abdy to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/17

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/18

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/19

Letter from Katherine Cavendish, (née Hoskins) Duchess of Devonshire to William Cavendish, 4th Duke of DevonshireCS4/20

Letter from Katherine Cavendish, (née Hoskins) Duchess of Devonshire to William Cavendish, 4th Duke of DevonshireCS4/21

Letter from Lord George Augustus Cavendish to William Cavendish, 4th Duke of DevonshireCS4/22

Receipt to William Cavendish, 4th Duke of DevonshireCS4/23

Letter from Welbore Ellis, 1st Baron Mendip to William Cavendish, 4th Duke of DevonshireCS4/24

Letter from Richard Newcome, Bishop of Landaff, to William Cavendish, 4th Duke of DevonshireCS4/25

Letter from Sir Anthony Thomas Abdy to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/26

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/27

Letter from Welbore Ellis to William Cavendish, 4th Duke of DevonshireCS4/28

Letter from Dorothy Boyle (née Savile) Countess of Burlington to William Cavendish, 4th Duke of DevonshireCS4/29

Letter from Dorothy Boyle (née Savile) Countess of Burlington to William Cavendish, 4th Duke of DevonshireCS4/30

Letter from Horatio Walpole to William Cavendish, 4th Duke of DevonshireCS4/31

Letter from Horatio Walpole to William Cavendish, 4th Duke of DevonshireCS4/32

Letter from Thomas Cheyney, Dean of Winchester to William Cavendish, 4th Duke of DevonshireCS4/33

Letter from Lord George Augustus Cavendish to William Cavendish, 4th Duke of DevonshireCS4/34

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/35

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/36

Letter from William Cavendish, 4th Duke of Devonshire to Welbore EllisCS4/37

Letter from William Cavendish, 4th Duke of Devonshire to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/38

Letter from Horatio Walpole to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/39

Printed song titled: "A Merry Song on a sad Occasion: Addressed to all the true Friends of Ireland"CS4/39.1

Copy of the address from His Majesty the King and address from the House and the Vote of CreditCS4/39.2

Letter from Richard Grenville-Temple, 2nd Earl Temple's protest against the King and House's address concerning war fundsCS4/39.3

Letter from Katherine Cavendish (née Hoskins) Duchess of Devonshire to William Cavendish, 4th Duke of DevonshireCS4/40

Letter from William Cavendish, 4th Duke of Devonshire to Benjamin Hoadley, Bishop of WinchesterCS4/41

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/42

Letter from James West to William Cavendish, 4th Duke of DevonshireCS4/43

Letter from Alexander Barker to William Cavendish, 4th Duke of DevonshireCS4/44

Letter from William Cavendish, 4th Duke of Devonshire to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/45

Letter from Sir Henry Bedingfield to William Cavendish, 4th Duke of DevonshireCS4/46

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/47

Copy letter from Joseph Yorke to Henry FoxCS4/48

Copy letter from Antoine-Louis, comte de Jouy to Henry FoxCS4/49

Letter from Antoine-Louis Rouillé on behalf of the King of France to the King and the British GovernmentCS4/50

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/51

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/52

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/53

Minutes of the Council meeting at the Royal Highness the Duke's apartmentCS4/54

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/55

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/56

Copy letter from Henry Fox to Antoine Louis RouilléCS4/57

Copy of the minute of CouncilCS4/58

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/59

Copy of the cabinet minute of the "Convention [of Westminster]" treaty between the Kings of England and PrussiaCS4/60

Copy of the Prussian treaty "article secret et separé" between the Kings of Britain and PrussiaCS4/61

Copy of the Prussian treaty "Declaration" with BritainCS4/62

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/63

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/64

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to George Stone, Archbishop of Armagh, Primate of IrelandCS4/65

Letter from W. Murray to William Cavendish, 4th Duke of DevonshireCS4/66

A list of servants' mourning liveries given at the castle of Dublin by the Duke of DevonshireCS4/67

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/68

Letter from Horatio Walpole to William Cavendish, 4th Duke of DevonshireCS4/69

Letter from Lord George Augustus Cavendish to William Cavendish, 4th Duke of DevonshireCS4/70

Letter from Henry Bilson Legge to William Cavendish, 4th Duke of DevonshireCS4/71

Letter from Wills Hill, 1st Earl of Hillsborough to William Cavendish, 4th Duke of DevonshireCS4/72

Letter from Welbore Ellis to William Cavendish, 4th Duke of DevonshireCS4/73

Letter from "C.G" to William Cavendish, 4th Duke of DevonshireCS4/74

Letter from Sir Anthony Thomas Abdy to William Cavendish, 4th Duke of DevonshireCS4/75

Copy letters between James Collins, Mr Arundell, Mr Bainbridge and Sir Anthony AbdyCS4/76

Letter from William Conner to William Cavendish, 4th Duke of DevonshireCS4/77

Welbore Ellis to William Cavendish, 4th Duke of DevonshireCS4/78

Letter from Henry Dawnay to William Cavendish, 4th Duke of DevonshireCS4/79

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/80

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/81

Letter from William Cavendish, 4th Duke of Devonshire to Welbore EllisCS4/82

Letter from Welbore Ellis to William Cavendish, 4th Duke of DevonshireCS4/83

Letter from Lord George Augustus Cavendish to William Cavendish, 4th Duke of DevonshireCS4/84

Letter from Horatio Walpole to William Cavendish, 4th Duke of DevonshireCS4/85

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/86

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/87

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/88

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/89

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/90

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/91

Letter from Welbore Ellis to William Cavendish, 4th Duke of DevonshireCS4/92

Letter to William Cavendish, 4th Duke of Devonshire to Welbore EllisCS4/93

Letter from William Cavendish, 4th Duke of Devonshire to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/94

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/95

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/96

Letter from Lord George Augustus Cavendish to William Cavendish, 4th Duke of DevonshireCS4/97

Letter from Richard Newcome, Bishop of Landaff to William Cavendish, 4th Duke of DevonshireCS4/98

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/99

Letter from Dorothy Boyle (née Savile) Countess of Burlington to William Cavendish, 4th Duke of DevonshireCS4/100

Letter from William Cavendish, 4th Duke of Devonshire to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/101

Photocopy of a letter from William Cavendish, 4th Duke of Devonshire to Welbore EllisCS4/102

Letter from Wills Hill, 1st Earl of Hillsborough to William Cavendish, 4th Duke of DevonshireCS4/103

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/104

Letter from Dorothy Boyle (née Savile) Countess of Burlington to William Cavendish, 4th Duke of DevonshireCS4/105

Letter from Henry Fox toWilliam Cavendish, 4th Duke of DevonshireCS4/106

Letter from Henry Fox toWilliam Cavendish, 4th Duke of DevonshireCS4/107

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/108

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/109

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/110

Letter from William Cavendish, 4th Duke of Devonshire to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/111

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/112

Letter from Fr Jodrell to William Cavendish, 4th Duke of DevonshireCS4/113

Letter from William Conner to William Cavendish, 4th Duke of DevonshireCS4/114

Letter from Welbore Ellis to William Cavendish, 4th Duke of DevonshireCS4/115

Letter from William Cavendish, 4th Duke of Devonshire to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/116

Letter from David Garrick to William Cavendish, 4th Duke of DevonshireCS4/117

Letter from David Garrick to William Cavendish, 4th Duke of DevonshireCS4/118

Letter from Horatio Walpole to William Cavendish, 4th Duke of DevonshireCS4/119

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/120

Letter from Richard Arundell to William Cavendish, 4th Duke of DevonshireCS4/121

Copy letter from Filius Gallica to Gaston-Pierre-Charles de Lévis-Lomagne, duc de MirepoixCS4/122

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/123

Order in Council concerning the embargo on shipsCS4/124

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/125

Letter from William Cavendish, 4th Duke of Devonshire to Welbore EllisCS4/126

Letter from William Cavendish, 4th Duke of Devonshire to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/127

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/128

Letter from [James] West to Mr Baker and Mr KilbyCS4/129

Copy letter from [William] Baker, [Christopher] Kilby and Richard Baker to James WestCS4/130

Memoranda concerning the provisioning of English troops in North AmericaCS4/131

Letter from Dorothy Boyle (née Savile) Countess of Burlington to William Cavendish, 4th Duke of DevonshireCS4/132

Letter from Thomas Cheyney to William Cavendish, 4th Duke of DevonshireCS4/133

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/134

Letter from William Cavendish, 4th Duke of Devonshire to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/135

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/136

Report of condition of His Majesty's ships and the number of seaman aboard the shipsCS4/136.1

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/137

Letter from Welbore Ellis to William Cavendish, 4th Duke of DevonshireCS4/138

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/139

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/140

Letter from Horatio Walpole to William Cavendish, 4th Duke of DevonshireCS4/141

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/142

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/143

Letter from William Cavendish, 4th Duke of Devonshire to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/144

Letter from Thomas Pelham-Holles, Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/145

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/146

Letter [from Henry Fox] to William Cavendish, 4th Duke of DevonshireCS4/147

Letter [from Henry Fox] to William Cavendish, 4th Duke of DevonshireCS4/148

Letter from Lawton and Carleton to Sir Henry CavendishCS4/149

Letter from Filius Gallica to Gaston-Pierre-Charles de Lévis-Lomagne, duc de MirepoixCS4/150

Copy letter from Filius Gallica to Gaston-Pierre-Charles de Lévis-Lomagne, duc de MirepoixCS4/151

Letter from David Garrick to William Cavendish, 4th Duke of DevonshireCS4/152

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/153

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/154

Letter from Welbore Ellis to William Cavendish, 4th Duke of DevonshireCS4/155

Letter from William Cavendish, 4th Duke of Devonshire to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/156

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/157

Letter from Henry Bilson Legge to William Cavendish, 4th Duke of DevonshireCS4/158

Letter from Horatio Walpole to William Cavendish, 4th Duke of DevonshireCS4/159

Letter from Henry Vane, 1st Earl of Darlington to William Cavendish, 4th Duke of DevonshireCS4/160

Estimate of the cost of Provisions and Stores to be provided by Messrs Levingston and MorrisCS4/161

Prices of Provisions in PhiladelphiaCS4/162

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/163

Copy letter from Luis de Hatzel to Maister Joseph MüllerCS4/164

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/165

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/166

Letter from Robert Jocelyn, 1st Viscount Jocelyn to William Cavendish, 4th Duke of DevonshireCS4/167

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/168

Letter from Major Charles Duterne to Horatio WalpoleCS4/169

Letter from William Conner to William Cavendish, 4th Duke of DevonshireCS4/170

Letter from William Cavendish, 4th Duke of Devonshire to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/171

Letter from Lord George Augustus Cavendish to William Cavendish, 4th Duke of DevonshireCS4/172

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/172.1

Letter from Richard Newcome, Bishop of Landaff to William Cavendish, 4th Duke of DevonshireCS4/173

Letter from [Colonel] John Arabin [to Lord Frederick Cavendish]CS4/174

Letter from Lord John Cavendish to Lord Frederick CavendishCS4/175

Letter and enclosure from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/176

Letter from William Cavendish, 4th Duke of Devonshire to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/177

Letter from Horatio Walpole to William Cavendish, 4th Duke of DevonshireCS4/178

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/179

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/180

Letter from Dorothy Boyle (née Savile) Countess of Burlington to William Cavendish, 4th Duke of DevonshireCS4/181

Letter from Thomas Villiers to William Ponsonby, Viscount DuncannonCS4/182

Letter from William Conner to William Cavendish, 4th Duke of DevonshireCS4/183

Letter from John Carteret, 2nd Earl Granville to William Cavendish, 4th Duke of DevonshireCS4/184

Letter from Henry Boyle, Earl of Shannon to William Cavendish, 4th Duke of DevonshireCS4/185

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/186

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/187

Minute of the Privy Council meetingCS4/188

Letter from Charles Watson-Wentworth, 2nd Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/189

Letter from John Boyle, 5th Earl of Orrery and Cork and Margaret Boyle (née Hamilton) Countess of Orrey and Cork to William Cavendish, 4th Duke of DevonshireCS4/190

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/191

Letter from William Ponsonby, Viscount Duncannon to William Cavendish, 4th Duke of DevonshireCS4/192

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/193

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/194

Letter from Welbore Ellis to William Cavendish, 4th Duke of DevonshireCS4/195

Letter from William Ponsonby, Viscount Duncannon to William Cavendish, 4th Duke of DevonshireCS4/196

Letter from John Boyle, 5th Earl of Orrery and Cork to William Cavendish, 4th Duke of DevonshireCS4/197

Letter from Henry Boyle, 1st Earl of Shannon to William Cavendish, 4th Duke of DevonshireCS4/198

Letter from William Ponsonby, Viscount Duncannon to William Cavendish, 4th Duke of DevonshireCS4/199

Letter from William Cavendish, 4th Duke of Devonshire to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/200

Letter from Katherine Cavendish (née Hoskins), Duchess of Devonshire to William Cavendish, 4th Duke of DevonshireCS4/201

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/202

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/203

Letter from Katherine Cavendish (née Hoskins), Duchess of Devonshire to William Cavendish, 4th Duke of DevonshireCS4/204

Letter from William Cavendish, 4th Duke of Devonshire to Welbore EllisCS4/205

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/206

Letter from Horatio Walpole to William Cavendish, 4th Duke of DevonshireCS4/207

Letter from William Ponsonby, Viscount Duncannon to William Cavendish, 4th Duke of DevonshireCS4/208

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/209

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/210

Letter from William Ponsonby, Viscount Duncannon to William Cavendish, 4th Duke of DevonshireCS4/211

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/212

Letter from Dorothy Boyle (née Savile) Countess of Burlington to William Cavendish, 4th Duke of DevonshireCS4/213

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/214

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/215

Letters from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/216

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/217

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/218

Letter from Lord George Augustus Cavendish to William Cavendish, 4th Duke of DevonshireCS4/219

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/220

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/221

Letter from William Ponsonby, Viscount Duncannon to William Cavendish, 4th Duke of DevonshireCS4/222

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/223

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/224

Letter from William Ponsonby, Viscount Duncannon to William Cavendish, 4th Duke of DevonshireCS4/225

Letter from James Hamilton, 8th Earl of Abercorn to William Cavendish, 4th Duke of DevonshireCS4/226

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/227

Letter from William Ponsonby, Viscount Duncannon to William Cavendish, 4th Duke of DevonshireCS4/228

Letter from William Cavendish, 4th Duke of Devonshire [to James Hamilton, 8th Earl of Abercorn]CS4/229

Letter from Sir Henry Cavendish to William Cavendish, 4th Duke of DevonshireCS4/230

Letter from James Hamilton, 8th Earl of Abercorn to William Cavendish, 4th Duke of DevonshireCS4/231

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/232

Letter from [Colonel William] Congreve to William Cavendish, 4th Duke of DevonshireCS4/233

Letter from Horatio Walpole to William Cavendish, 4th Duke of DevonshireCS4/234

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/235

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/236

Letter from William Conner to William Cavendish, 4th Duke of DevonshireCS4/237

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/238

Letter from John Ponsonby to William Cavendish, 4th Duke of DevonshireCS4/239

Fragment of a letter from [Mr Stanhope to William Cavendish, 4th Duke of Devonshire]CS4/240

Letter from John Leslie, 10th Earl of Rothes to William Cavendish, 4th Duke of DevonshireCS4/241

Account of capture of French ship at WaterfordCS4/242

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/243

Letter from William Ponsonby, Viscount Duncannon, to William Cavendish, 4th Duke of DevonshireCS4/244

Letter from John Ponsonby to William Cavendish, 4th Duke of DevonshireCS4/245

Letter from Arthur Smyth, Bishop of Down and Connor to William Cavendish, 4th Duke of DevonshireCS4/246

Letter from John Ponsonby to William Cavendish, 4th Duke of DevonshireCS4/247

Letter from Joseph Leeson, Baron Russborough to William Ponsonby, Viscount DuncannonCS4/248

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/249

Letter from Daniel Finch, 7th Earl of Winchilsea to Katherine Cavendish (née Hoskins), Duchess of DevonshireCS4/250

Letter from John Ponsonby to William Cavendish, 4th Duke of DevonshireCS4/251

Letter from Ellis Bermingham, Lady Athenry to William Cavendish, 4th Duke of DevonshireCS4/252

Letter from Thomas Waite [to Henry Seymour-Conway]CS4/253

Letter from Welbore Ellis to William Cavendish, 4th Duke of DevonshireCS4/254

Letter from Roger Handasyd to William Cavendish, 4th Duke of DevonshireCS4/255

Letter from William Congreve to William Cavendish, 4th Duke of DevonshireCS4/256

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/257

Letter from William Cavendish, 4th Duke of Devonshire [to Lord Frederick Cavendish]CS4/258

Letter from John Ponsonby to William Cavendish, 4th Duke of DevonshireCS4/259

Letter [from Anne Coventry (née Master), Countess of Coventry] to William Cavendish, 4th Duke of DevonshireCS4/260

Letter from Robert Jocelyn, 1st Viscount Jocelyn to William Cavendish, 4th Duke of DevonshireCS4/261

Letter from John Ponsonby to William Cavendish, 4th Duke of DevonshireCS4/262

Letter from Arthur Rochfort to William Cavendish, 4th Duke of DevonshireCS4/263

Letter from W. Bristow to William Cavendish, 4th Duke of DevonshireCS4/264

Letter from George Stone, Archbishop of Armagh to William Cavendish, 4th Duke of DevonshireCS4/265

Letter from John Ponsonby to William Cavendish, 4th Duke of DevonshireCS4/266

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/267

Letter from Welbore Ellis to William Cavendish, 4th Duke of DevonshireCS4/268

Letter from John Leslie, 10th Earl of Rothes to William Cavendish, 4th Duke of DevonshireCS4/269

Copy letters from William Cavendish, 4th Duke of Devonshire to Henry de Burgh, Lord Dunkellin and Robert Rochfort, Baron BelfieldCS4/270

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/271

Letter Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/272

Letter from Horatio Walpole to William Cavendish, 4th Duke of DevonshireCS4/273

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/274

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/275

Letter from Sir Henry Cavendish to William Cavendish, 4th Duke of DevonshireCS4/276

Letter from George Stone, Archbishop of Armagh to William Cavendish, 4th Duke of DevonshireCS4/277

Copy letter from Nathaniel Clements [to Henry Seymour-Conway]CS4/278

Letter from Arthur Rochfort to William Cavendish, 4th Duke of DevonshireCS4/279

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/280

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/281

Letter from James Fitzgerald, 20th Earl of Kildare to William Cavendish, 4th Duke of DevonshireCS4/282

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/283

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/284

Copy letter from Henry Seymour-Conway to Mr G NapierCS4/285

Copy letter from William Cavendish, 4th Duke of Devonshire to Lords Justices of IrelandCS4/286

Draft letter from William Cavendish, 4th Duke of Devonshire [to Arthur Rochfort]CS4/287

Letter from Thomas Edwards to William Cavendish, 4th Duke of DevonshireCS4/288

Copy letter from Robert, Viscount Jocelyn and James FitzGerald, 20th Earl of Kildare to William Cavendish, 4th Duke of DevonshireCS4/289

Letter from Dorothy Boyle (née Savile) Countess of Burlington to William Cavendish, 4th Duke of DevonshireCS4/290

Letter from William Ponsonby, 1st Viscount Duncannon to William Cavendish, 4th Duke of DevonshireCS4/291

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/292

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/293

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/294

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/295

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/296

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/297

Letter Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/298

Letter from Sir Henry Cavendish to William Cavendish, 4th Duke of DevonshireCS4/299

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/300

Letter from Robert, Viscount Jocelyn, to William Cavendish, 4th Duke of DevonshireCS4/301

Letter from Thomas Edwards to William Cavendish, 4th Duke of DevonshireCS4/302

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/303

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/304

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/305

Letter from James Fitzgerald, 20th Earl of Kildare to William Cavendish, 4th Duke of DevonshireCS4/306

Letter from Ben Burton to John PonsonbyCS4/307

Letter [from Thomas Edwards] to William Cavendish, 4th Duke of DevonshireCS4/308

Letter from Sir Nathaniel Curzon to William Cavendish, 4th Duke of DevonshireCS4/309

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/310

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/311

Letter from Thomas Edwards to William Cavendish, 4th Duke of DevonshireCS4/312

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/313

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/314

Letter from Welbore Ellis to William Cavendish, 4th Duke of DevonshireCS4/315

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/316

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/316.1

Letter from James Fitzgerald, 20th Earl of Kildare, to William Cavendish, 4th Duke of DevonshireCS4/317

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/318

Letter from Thomas Fletcher, Bishop of Kildare to William Cavendish, 4th Duke of DevonshireCS4/319

Letter from Sir Henry Cavendish to William Cavendish, 4th Duke of DevonshireCS4/320

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/321

Letter from Thomas Edwards to William Cavendish, 4th Duke of DevonshireCS4/322

Letter from James Fitzgerald, 20th Earl of Kildare to William Cavendish, 4th Duke of DevonshireCS4/323

Letter from John Leslie 10th Earl of Rothes to William Cavendish, 4th Duke of DevonshireCS4/324

Letter from George Stone, Archbishop of Armagh to William Cavendish, 4th Duke of DevonshireCS4/325

Letter from Reverend L Brodrick to William Cavendish, 4th Duke of DevonshireCS4/326

Letter from Robert, 1st Viscount Jocelyn to William Cavendish, 4th Duke of DevonshireCS4/327

Letter from Richard Newcome, Bishop of Landaff to William Cavendish, 4th Duke of DevonshireCS4/328

Minutes of Council meeting concerning North America and the General and Commander-in-Chief etc.CS4/329

Letter from Thomas Edwards to William Cavendish, 4th Duke of DevonshireCS4/330

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/331

Letter from Welbore Ellis to William Cavendish, 4th Duke of DevonshireCS4/332

Letter from Robert, 1st Viscount Jocelyn to William Cavendish, 4th Duke of DevonshireCS4/333

Letter from Sir William Fitzherbert to William Cavendish, 4th Duke of DevonshireCS4/334

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/335

Letter from James Fitzgerald, 20th Earl of Kildare to William Cavendish, 4th Duke of DevonshireCS4/336

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/337

Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/338

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/339

Letter from Sir Robert Wilmot to Mr Secretary ShelvockeCS4/340

Letter from Dr Messenger Monsey to William Cavendish, 4th Duke of DevonshireCS4/341

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/342

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/343

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/344

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/345

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/346

Letter from George Venables-Vernon to William Cavendish, 4th Duke of DevonshireCS4/347

Letter from Thomas Edwards to William Cavendish, 4th Duke of DevonshireCS4/348

Letter from Sir William Fitzherbert to William Cavendish, 4th Duke of DevonshireCS4/349

Letter from James Fitzgerald, 20th Earl of Kildare to William Cavendish, 4th Duke of DevonshireCS4/350

Letter from John Cole to William Cavendish, 4th Duke of DevonshireCS4/351

Letter from Alexander MacDonnell, 5th Earl of Antrim to William Cavendish, 4th Duke of DevonshireCS4/352

Letter from Arthur Smyth, Bishop of Down and Connor to William Cavendish, 4th Duke of DevonshireCS4/353

Letter from Sir Anthony Thomas Abdy to William Cavendish, 4th Duke of DevonshireCS4/354

Letter from William Evans to William Cavendish, 4th Duke of DevonshireCS4/355

Letter from Horatio Walpole to William Cavendish, 4th Duke of DevonshireCS4/356

Letter from James Fitzgerald, 20th Earl of Kildare to William Cavendish, 4th Duke of DevonshireCS4/357

Letter from John Campbell, 4th Earl of Loudoun to Duke of NewcastleCS4/358

Letter from Robert Darcy, 4th Earl of Holderness to William Cavendish, 4th Duke of DevonshireCS4/359

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/360

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/361

Letter from Robert, 1st Viscount Jocelyn to William Cavendish, 4th Duke of DevonshireCS4/362

Letter from Horatio Walpole to William Cavendish, 4th Duke of DevonshireCS4/363

Letter from James Hamilton, 1st Viscount of the City of Limerick to William Cavendish, 4th Duke of DevonshireCS4/364

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/365

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/366

Copy letter from Henry Fox to the King, George IICS4/367

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/368

Letter from George Anson to William Cavendish, 4th Duke of DevonshireCS4/369

Copy letter from David Murray, 7th Viscount of Stormont to Robert Darcy, 4th Earl of HoldernessCS4/370

Letter from James Fitzgerald, 20th Earl of Kildare to William Cavendish, 4th Duke of DevonshireCS4/371

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/372

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/373

Copy letter from Henry Fox to Philip Yorke, 1st Earl of Hardwicke, Lord ChancellorCS4/374

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/375

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/376

Letter from William Cavendish, 4th Duke of Devonshire to Henry FoxCS4/377

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/378

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/379

Letter from William Ponsonby, Viscount Duncannon to William Cavendish, 4th Duke of DevonshireCS4/380

Letter from Dorothy Boyle (née Savile) Countess of Burlington to William Cavendish, 4th Duke of DevonshireCS4/381

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/382

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/383

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/384

Letter from William Wentworth, 2nd Earl of Strafford to William Cavendish, 4th Duke of DevonshireCS4/385

Letter from R Potenger to William Cavendish, 4th Duke of DevonshireCS4/386

Letter from Robert Darcy, 4th Earl of Holderness to William Cavendish, 4th Duke of DevonshireCS4/387

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/388

Letter from James Fitzgerald, 20th Earl of Kildare to William Cavendish, 4th Duke of DevonshireCS4/389

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/390

Letter from Thomas Coke, 1st Earl of Leicester to William Cavendish, 4th Duke of DevonshireCS4/391

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/392

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/393

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/394

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/395

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/396

Letter from William Conner to William Cavendish, 4th Duke of DevonshireCS4/397

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/398

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/399

List of proposed ministers for Government, by Henry FoxCS4/400

List of proposed ministers for GovernmentCS4/401

Letter from Sir Robert Deane to William Cavendish, 4th Duke of DevonshireCS4/402

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/403

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/404

Memorandum of proposed Administration, submitted to the King by John Carteret, 2nd Earl GranvilleCS4/405

Henry Bilson Legge to William Cavendish, 4th Duke of DevonshireCS4/406

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/407

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/408

Letter from Philip Tisdall to William Cavendish, 4th Duke of DevonshireCS4/409

Letter from William Wentworth, 2nd Earl of Strafford to William Cavendish, 4th Duke of DevonshireCS4/410

Letter from Thomas Carter to William Cavendish, 4th Duke of DevonshireCS4/411

Letter from Thomas Carter to William Cavendish, 4th Duke of DevonshireCS4/412

Letter from Sir Henry Cavendish to William Cavendish, 4th Duke of DevonshireCS4/413

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/414

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/415

Letter from Richard Newcome, Bishop of Landaff to William Cavendish, 4th Duke of DevonshireCS4/416

Letter from Thomas Coke, 1st Earl of Leicester to William Cavendish, 4th Duke of DevonshireCS4/417

Letter from William Wentworth, 2nd Earl of Strafford to William Cavendish, 4th Duke of DevonshireCS4/418

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/419

Letter from Philip Yorke, 1st Earl of Hardwicke to William Cavendish, 4th Duke of DevonshireCS4/420

Letter from Richard Edgecumbe to William Cavendish, 4th Duke of DevonshireCS4/421

Letter from Reverend L Brodrick to William Cavendish, 4th Duke of DevonshireCS4/422

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/423

Letter from Heneage Legge to Henry Bilson LeggeCS4/424

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/425

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/426

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/427

Letter from Sir Henry Cavendish to William Cavendish, 4th Duke of DevonshireCS4/428

Letter from W. Bristow to William Cavendish, 4th Duke of DevonshireCS4/429

Letter from Richard Arundell to William Cavendish, 4th Duke of DevonshireCS4/430

Letter from Rev. Fra. Wilson to Sir Henry CavendishCS4/431

Copy letters from [Sir Andrew] Mitchell to Robert Darcy, 4th Earl of HoldernessCS4/432

Copy letter from William Cavendish, 4th Duke of Devonshire to John Russell, 4th Duke of BedfordCS4/433

Letter from John Russell, 4th Duke of Bedford to William Cavendish, 4th Duke of DevonshireCS4/434

Letter from Lady Mary Coke to William Cavendish, 4th Duke of DevonshireCS4/435

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/436

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/437

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/438

Letter from Thomas Villiers, Baron Hyde to William Cavendish, 4th Duke of DevonshireCS4/439

Letter from John Fane, 7th Earl of Westmorland to William Cavendish, 4th Duke of DevonshireCS4/440

Letter from George Booth, 2nd Earl of Warrington to William Cavendish, 4th Duke of DevonshireCS4/441

Letter from James Ralph to William Cavendish, 4th Duke of DevonshireCS4/442

Letter from Arthur Smyth, Bishop of Down and Connor to William Cavendish, 4th Duke of DevonshireCS4/443

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/444

Letter from James Fitzgerald, 20th Earl of Kildare to William Cavendish, 4th Duke of DevonshireCS4/445

Letter from Joseph Yorke to William Cavendish, 4th Duke of DevonshireCS4/446

Letter from William Pulteney, 1st Earl of Bath to William Cavendish, 4th Duke of DevonshireCS4/447

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/448

Letter from Henry Conyngham, 1st Baron to William Cavendish, 4th Duke of DevonshireCS4/449

Letter from Bell Boyle to William Cavendish, 4th Duke of DevonshireCS4/450

Letter from William Cavendish, 4th Duke of Devonshire to Lords Justices of IrelandCS4/451

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/452

Letter from John Manners, 3rd Duke of Rutland to William Cavendish, 4th Duke of DevonshireCS4/453

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/454

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/455

Letter from Sir George Oxenden to William Cavendish, 4th Duke of DevonshireCS4/456

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/457

Letter from William Wentworth, 2nd Earl of Strafford, to William Cavendish 4th Duke of DevonshireCS4/458

Letter from Thomas Herring, Archbishop of Canterbury to William Cavendish, 4th Duke of DevonshireCS4/460

Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/461

Letter from Thomas Coke, 1st Earl of Leicester to William Cavendish, 4th Duke of DevonshireCS4/462

Letter from Henry Conyngham to William Cavendish, 4th Duke of DevonshireCS4/463

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/464

Letter from Thomas Herring, Archbishop of Canterbury to William Cavendish, 4th Duke of DevonshireCS4/465

Letter from Griffith Davies, Mayor of Harwich to William Cavendish, 4th Duke of DevonshireCS4/466

Memorandum on Stockbridge written by Henry FoxCS4/467

Letter from Richard Grenville, 2nd Earl Temple to William Cavendish, 4th Duke of DevonshireCS4/468

Letter from John Gore to William Cavendish, 4th Duke of DevonshireCS4/469

Letter from John Hope, 2nd Earl of Hopetoun to William Cavendish, 4th Duke of DevonshireCS4/470

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/471

Letter from James Fitzgerald, 20th Earl of Kildare and Brabazon Ponsonby, 1st Earl of Bessborough, Lords Justices of Ireland to William Cavendish, 4th Duke of DevonshireCS4/472

Copy letter from William Cavendish, 4th Duke of Devonshire to Henry FoxCS4/473

Letter from Philip Yorke, 1st Earl of Hardwicke to William Cavendish, 4th Duke of DevonshireCS4/474

Letter from unidentified sender to Mr Anthony CoghlanCS4/475

Letter from James Fitzgerald, 20th Earl of Kildare to William Cavendish, 4th Duke of DevonshireCS4/476

Letter from Carteret Leathes to Thomas Coke, 1st Earl of LeicesterCS4/477

Letter from Edward Digby, 6th Baron to William Cavendish, 4th Duke of DevonshireCS4/478

Letter from W. Bristow to William Cavendish, 4th Duke of DevonshireCS4/479

A list of Popish and disaffected persons now in LondonCS4/480

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/481

Letter from Sir George Oxenden to William Cavendish, 4th Duke of DevonshireCS4/482

Copy letter from William Cavendish, 4th Duke of Devonshire to Lords Chief Justice of IrelandCS4/483

James Fitzgerald, 20th Earl of Kildare to William Cavendish, 4th Duke of DevonshireCS4/484

Letter from Richard Malone to William Cavendish, 4th Duke of DevonshireCS4/485

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/486

Letter from Charles Lennox, 3rd Duke of Richmond, Lennox and Aubigny to William Cavendish, 4th Duke of DevonshireCS4/487

Letter from John Garnett, Bishop of Ferns to William Cavendish, 4th Duke of DevonshireCS4/488

Letter from [Francis] Mannock to William Cavendish, 4th Duke of DevonshireCS4/489

Sir Henry Cavendish to William Cavendish, 4th Duke of DevonshireCS4/490

Copy letter extract from unidentified sender to Mary, Lady Hervey (née Lepell)CS4/491

Letter from Thomas Coke, 1st Earl of Leicester to William Cavendish, 4th Duke of DevonshireCS4/492

Copy letter from James Clements to Thomas Coke, 1st Earl of LeicesterCS4/493

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/494

Letter from Samuel Burn and the Justices of Berwick to William PittCS4/495

Letter from William Wentworth, 2nd Earl of Strafford to William Cavendish, 4th Duke of DevonshireCS4/496

Letter from Thomas Herring, Archbishop of Canterbury to William Cavendish, 4th Duke of DevonshireCS4/497

Letter from Anthony Todd to Robert Darcy, 4th Earl of HoldernesseCS4/498

Memorandum on the King's offer of his library to the British MuseumCS4/499

An account of proceedings before the [Privy] Council relating to the Corn trade 1693-1741CS4/500

Letter from Thomas Coke, 1st Earl of Leicester to William Cavendish, 4th Duke of DevonshireCS4/501

Draft letter [from Lord John Cavendish] to unknown recipientCS4/501.1

Letter from an anonymous author to William Cavendish, 4th Duke of DevonshireCS4/502

Letter from Zachary Pearce, Bishop of Rochester to William Cavendish, 4th Duke of DevonshireCS4/503

Memorandum on the right of opening the Royal Vault in Henry VIII's Chapel. See 503. [549.1]CS4/504

Letter from Thomas Nugent, 6th Earl of Westmeath to William Cavendish, 4th Duke of DevonshireCS4/505

Letter from Joseph Harris, Assay Master of the Mint to William Cavendish, 4th Duke of DevonshireCS4/506

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/507

Letter from Thomas Edwards to William Cavendish, 4th Duke of DevonshireCS4/508

Letter from Thomas Edwards to William Cavendish, 4th Duke of DevonshireCS4/509

Letter from John Lysaght to William Cavendish, 4th Duke of DevonshireCS4/510

Copy letter from Sir Benjamin Keene, Ambassador in Madrid to William PittCS4/511

Letter from James Fitzgerald, 20th Earl of Kildare to William Cavendish, 4th Duke of DevonshireCS4/512

Letter from Richard Grenville, 2nd Earl Temple to William Cavendish, 4th Duke of DevonshireCS4/513

Letter from John Garnett, Bishop of Ferns to William Cavendish, 4th Duke of DevonshireCS4/514

Letter from Harriet Lane ([née Benson]) to William Cavendish, 4th Duke of DevonshireCS4/515

Letter from Harriet Lane ([née Benson]) to William Cavendish, 4th Duke of DevonshireCS4/516

Letter from Thomas Coke, 1st Earl of Leicester to William Cavendish, 4th Duke of DevonshireCS4/517

Copy of minutes of council meetingCS4/518

Letter from [William Guthrie] to William Cavendish, 4th Duke of DevonshireCS4/519

Letter from Sir Edward Walpole to William Cavendish, 4th Duke of DevonshireCS4/520

Copy letter extract from Richard Wall y Devereux to D'Abreu, Spanish AmbassadorCS4/521

Report of the Court assembed on the St George in Portsmouth for the court-martialling of John ByngCS4/522

Copy of the statement by President and Members of the Court Martial on the trial of Admiral John ByngCS4/523

Letter from Prince William Augustus, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/524

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/525

Copy of the petition presented by George, Viscount Torrington to mitigate the severity of John Byng's sentenceCS4/526

Draft of the King's message on the subject of the trial of John ByngCS4/527

Draft of the King's message on the subject of the trial of John ByngCS4/528

Draft letter from William Cavendish, 4th Duke of Devonshire to Richard Wall y DevereuxCS4/529

Letter from Brabazon Ponsonby, 1st Earl of Bessborough to William Cavendish, 4th Duke of DevonshireCS4/530

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/531

Letter from Richard Wall y Devereux to William Cavendish, 4th Duke of DevonshireCS4/532

Letter from Lady Frances, Marchioness of Granby (née Seymour) to William Cavendish, 4th Duke of DevonshireCS4/533

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/534

Letter from Francis Greville, 1st Earl Brooke to William Cavendish, 4th Duke of DevonshireCS4/535

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/536

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/537

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/538

Intelligence report from the Court of VersaillesCS4/539

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/540

Letter from Mrs J Osborn [Admiral Byng's sister] to William Cavendish, 4th Duke of DevonshireCS4/541

Letter from Henry Boyle, 1st Earl of Shannon to William Cavendish, 4th Duke of DevonshireCS4/542

Letter from Henry Bilson Legge to William Cavendish, 4th Duke of DevonshireCS4/543

Letter from unknown sender to the King concerning John ByngCS4/544

Letter [from Frances Lumley-Saunderson (née Hamilton), Countess of Scarborough] to William Cavendish, 4th Duke of DevonshireCS4/545

Letter from James Ralph to William Cavendish, 4th Duke of DevonshireCS4/546

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/547

Royal Warrant from the King to William Cavendish, 4th Duke of DevonshireCS4/548

Letter from Thomas Sherlock, Bishop of London to William Cavendish, 4th Duke of DevonshireCS4/549

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/550

Letter from Thomas Edwards to William Cavendish, 4th Duke of DevonshireCS4/551

Letter from James Maitland, 7th Earl of Lauderdale to William Cavendish, 4th Duke of DevonshireCS4/552

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/553

Letter from [Richard] Boyle to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/554

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/555

Letter from Robert Montagu, 3rd Duke of Manchester to William Cavendish, 4th Duke of DevonshireCS4/556

Letter from Admiral Thomas Smith to William Cavendish, 4th Duke of DevonshireCS4/557

Letter from an unknown author to William Cavendish, 4th Duke of DevonshireCS4/558

Letter from William Augustus, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/559

Letter from William Cavendish, 4th Duke of Devonshire to Henry Boyle, Earl of ShannonCS4/560

Estimate of charges of Hanover troops in pay of Great Britain during their marches in GermanyCS4/561

Letter from unkown author to unkown recipientCS4/562

Letter from [Richard] Boyle to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/563

Letter from Matthew Hutton, Archbishop of York to William Cavendish, 4th Duke of DevonshireCS4/564

Letter from John Montagu, 4th Earl of Sandwich, to William Cavendish, 4th Duke of DevonshireCS4/565

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/566

Letter from [Richard] Boyle to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/567

Letter from George Cooke to William Cavendish, 4th Duke of DevonshireCS4/568

Letter from Robert Lamb to William Cavendish, 4th Duke of DevonshireCS4/569

Letter from Richard Terrick to William Cavendish, 4th Duke of DevonshireCS4/570

Letter from Charles Schaw Cathcart, 9th Lord Cathcart to William Cavendish, 4th Duke of DevonshireCS4/571

Letter from [William Guthrie] to William Cavendish, 4th Duke of DevonshireCS4/572

Letter from John Proby, 1st Baron Carysfort to William Cavendish, 4th Duke of DevonshireCS4/573

Letter from William Cavendish, 4th Duke of Devonshire to George, Prince of WalesCS4/574

Letter from Henry Bilson Legge to William Cavendish, 4th Duke of DevonshireCS4/575

Letter from [William Guthrie] to William Cavendish, 4th Duke of DevonshireCS4/576

Letter from Robert Darcy, 4th Earl of Holderness to William Cavendish, 4th Duke of DevonshireCS4/577

Copy letter from Robert Darcy, 4th Earl of Holderness to Prince William, Duke of CumberlandCS4/578

Letter from R Boyle to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/579

Letter from J Smith to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/580

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/581

Letter from James Ralph to William Cavendish, 4th Duke of DevonshireCS4/582

Memorandum from Sampson Gideon to "Mr D"CS4/583

Memorandum on the financial actions and endeavours of the financier, Sampson Gideon from 1742-1756CS4/584

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/585

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/586

Letter from Henry Conyngham to William Cavendish, 4th Duke of DevonshireCS4/587

Letter from Martins Stone and Blackwell to William Cavendish, 4th Duke of DevonshireCS4/588

Letter from Charles Townshend to William Cavendish, 4th Duke of DevonshireCS4/589

List of subscribers to the Treasury financing schemeCS4/590

A list of subscribers to the Treasury scheme "in a loan for the service of the Government to be raised in Annuities...." answerable to Joseph SalvadorCS4/591

Letter from Robert Snow and co. to William Cavendish, 4th Duke of DevonshireCS4/592

Letter from J Gordon to William Cavendish, 4th Duke of DevonshireCS4/593

Letter from Edward Digby, 6th Baron Digby to William Cavendish, 4th Duke of DevonshireCS4/594

Letter from William Belchier to William Cavendish, 4th Duke of DevonshireCS4/595

Letter from C Hawkins to William Cavendish, 4th Duke of DevonshireCS4/596

Letter from William Baker to William Cavendish, 4th Duke of DevonshireCS4/597

Letter from William Cavendish, 4th Duke of Devonshire to Lord Frederick CavendishCS4/598

Letter from William Baker to William Cavendish, 4th Duke of DevonshireCS4/599

Letter from M John Edwards to William Cavendish, 4th Duke of DevonshireCS4/600

Letter from Charles Townshend to William Cavendish, 4th Duke of DevonshireCS4/601

Letter from unidentified sender to William Cavendish, 4th Duke of DevonshireCS4/602

Letter from Sir Joshua Vanneck to William Cavendish, 4th Duke of DevonshireCS4/603

Letter from Joseph Salvador to William Cavendish, 4th Duke of DevonshireCS4/604

Letter from Edward Lloyd to William Cavendish, 4th Duke of DevonshireCS4/605

Letter from John Payne to William Cavendish, 4th Duke of DevonshireCS4/606

Letter from John Hyde to William Cavendish, 4th Duke of DevonshireCS4/607

Letter from Thomas Drury to William Cavendish, 4th Duke of DevonshireCS4/608

Letter from unidentified author [to Sampson Gideon]CS4/609

Letter from Henry Bilson Legge to William Cavendish, 4th Duke of DevonshireCS4/610

Letter from William Manners to William Cavendish, 4th Duke of DevonshireCS4/611

Memorandum on the Treasury loan schemeCS4/612

Proposals for the Treasury loan scheme [by Sampson Gideon]CS4/613

Letter from Samuel Gideon to William Cavendish, 4th Duke of DevonshireCS4/614

Memorandum on the two different terms that could be offered to investors in the Treasury loan schemeCS4/615

List of subsequent applicants to the Treasury loan schemeCS4/616

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/617

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/618

Memorandum on the Treasury loan scheme and subscriptions schemes in 1695CS4/619

Memorandum on the inception of the Treasury loan schemeCS4/620

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/621

Letter from Lord John Cavendish to Lord Frederick CavendishCS4/622

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/623

Letter from Sir Henry Cavendish to William Cavendish, 4th Duke of DevonshireCS4/624

Letter from Edward Wortley Montagu Jnr to William Cavendish, 4th Duke of DevonshireCS4/625

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/626

Letter from John Manners, Marquess of Granby to William Cavendish, 4th Duke of DevonshireCS4/627

Letter from A Edmonstone to William Cavendish, 4th Duke of DevonshireCS4/628

Letter from Welbore Ellis to William Cavendish, 4th Duke of DevonshireCS4/629

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/630

Enclosed list of MPs by Henry FoxCS4/631

Letter from John Montagu, 4th Earl of Sandwich to William Cavendish, 4th Duke of DevonshireCS4/632

Letter from R Boyle to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/633

Copy of an extract of R Boyle's letter and verses of the Bible book of MaccabeesCS4/634

Letter from Robert Darcy, 4th Earl of Holderness to William Cavendish, 4th Duke of DevonshireCS4/635

Letter from Sir John Willes to William Cavendish, 4th Duke of DevonshireCS4/636

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/637

Letter from Augustus Henry FitzRoy, Earl of Euston to William Cavendish, 4th Duke of DevonshireCS4/638

Draft letter from William Cavendish, 4th Duke of Devonshire [to Augustus FitzRoy, Earl of Euston]CS4/638.1

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/639

Copy letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/640

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/641

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/642

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/643

Draft letter [from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of Newcastle]CS4/643.1

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/644

An account of the Battle of PragueCS4/645

Copy letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/646

Letter from Felton Hervey to William Cavendish, 4th Duke of DevonshireCS4/647

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/648

Letter from William Cavendish, 4th Duke of Devonshire [to Lord Frederick Cavendish]CS4/649

Letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/650

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/651

Letter from Sir Francis Haskins Eyles-Stiles, 3rd Baronet to William Cavendish, 4th Duke of DevonshireCS4/652

Letter from James Ralph to William Cavendish, 4th Duke of DevonshireCS4/653

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/654

Letter from Margaretta Davers (née Green) to William Cavendish, 4th Duke of DevonshireCS4/655

Letter from Sir Anthony Thomas Abdy to Dorothy Boyle (née Savile) Countess of BurlingtonCS4/656

Certificate of the swearing in of William Cavendish, 4th Duke of Devonshire as Lord ChamberlainCS4/657

Letter from the Commissioners for Prisoners to William Cavendish, 4th Duke of DevonshireCS4/658

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/659

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/660

Letter from James Ralph to William Cavendish, 4th Duke of DevonshireCS4/661

Letter from Felton Hervey to William Cavendish, 4th Duke of DevonshireCS4/662

Letter from Arthur Holdsworth to William Cavendish, 4th Duke of DevonshireCS4/663

Letter from Arthur Rochfort to William Cavendish, 4th Duke of DevonshireCS4/664

Letter from Lord John Cavendish to Lord Frederick CavendishCS4/665

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/666

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/667

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/668

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/669

Letter from Arthur Rochfort to William Cavendish, 4th Duke of DevonshireCS4/670

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/671

Copy letter from William Cavendish, 4th Duke of Devonshire [to Prince William, Duke of Cumberland]CS4/672

Letter from William Cavendish, 4th Duke of Devonshire [to Prince William, Duke of Cumberland]CS4/673

Letter from William Cavendish, 4th Duke of Devonshire to Lord Frederick CavendishCS4/674

Letter from John Manners, 3rd Duke of Rutland [to Thomas Pelham-Holles, 1st Duke of Newcastle]CS4/675

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/676

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/677

Letter from Thomas Villiers, Baron Hyde to William Cavendish, 4th Duke of DevonshireCS4/678

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/679

Letter [from William Guthrie] to William Cavendish, 4th Duke of DevonshireCS4/680

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/681

Memorandum on the formation of a new Government AdministrationCS4/682

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/683

Letter from William Wentworth, 2nd Earl of Strafford to William Cavendish, 4th Duke of DevonshireCS4/683.1

Copy letter from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/684

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/685

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/686

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/687

Copy letters from William Cavendish, 4th Duke of Devonshire to the King and Thomas Pelham-Holles, 1st Duke of NewcastleCS4/688

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/689

Copy letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/690

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/691

Letter from James Ralph to William Cavendish, 4th Duke of DevonshireCS4/692

Letter from Amelie Sophie von Wallmoden (née von Wendt), Countess of Yarmouth to William Cavendish, 4th Duke of DevonshireCS4/693

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/694

Letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/695

Letter from Lord Boyle to William Cavendish, 4th Duke of DevonshireCS4/696

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/697

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/698

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/699

Note relating to politiciansCS4/700

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/701

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/702

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/703

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/704

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/705

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/706

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/707

Copy letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/708

Copy letter from William Cavendish, 4th Duke of Devonshire to James Smith-Stanley, Lord StrangeCS4/709

Letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/710

Letter from Lord John Cavendish to Lord Frederick CavendishCS4/710.1

Note of names for consideration for a new Government AdministrationCS4/711

Letter from Stephen Fox-Strangways, 1st Earl of Ilchester to William Cavendish, 4th Duke of DevonshireCS4/712

Letter from William Cavendish, 4th Duke of Devonshire [to Thomas Pelham-Holles, 1st Duke of Newcastle]CS4/713

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/714

Letter from William Wentworth, 2nd Earl of Strafford to William Cavendish, 4th Duke of DevonshireCS4/715

Letter from William Murray, 1st Earl of Mansfield to William Cavendish, 4th Duke of DevonshireCS4/716

Letter from William Cavendish, 4th Duke of Devonshire to Sir Robert HenleyCS4/717

Letter from Philip Yorke, 1st Earl of Hardwicke to William Cavendish, 4th Duke of DevonshireCS4/718

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/719

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/720

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/721

Letter from Philip Yorke, 1st Earl of Hardwicke to William Cavendish, 4th Duke of DevonshireCS4/722

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/723

Copy letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/724

Letter from Charles Townshend to William Cavendish, 4th Duke of DevonshireCS4/725

Letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/726

Letter from Lord John Cavendish to Lord Frederick CavendishCS4/727

Letter from Charles Townshend to William Cavendish, 4th Duke of DevonshireCS4/728

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/729

List of names for the new Government AdministrationCS4/730

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/731

Letter from William Wentworth, 2nd Earl of Strafford to William Cavendish, 4th Duke of DevonshireCS4/732

Copy letter from William Cavendish, 4th Duke of Devonshire to William Murray, 1st Earl of MansfieldCS4/733

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/734

Letter from William Murray, 1st Earl of Mansfield to William Cavendish, 4th Duke of DevonshireCS4/735

Letter from Charles Lennox, 3rd Duke of Richmond to William Cavendish, 4th Duke of DevonshireCS4/736

Letter from William Cavendish, 4th Duke of Devonshire to Lord Frederick CavendishCS4/737

Copy letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/738

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/739

Letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/740

Copy letter from William Cavendish, 4th Duke of Devonshire to Lord StrangeCS4/741

Copy letter from William Cavendish, 4th Duke of Devonshire to Charles TownshendCS4/742

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/743

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/744

Letter from Anthony Coghlan to Sir Robert WilmotCS4/745

Letter from William Wildman Barrington-Shute, Viscount Barrington to William Cavendish, 4th Duke of DevonshireCS4/746

Letter from George, 3rd Earl of Cholmondley to William Cavendish, 4th Duke of DevonshireCS4/747

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/748

Copy letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/749

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/750

Letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/751

Letter from Robert Darcy, 4th Earl of Holdernesse to William Cavendish, 4th Duke of DevonshireCS4/752

Letter from William Cavendish, 4th Duke of Devonshire to Lord Frederick CavendishCS4/752.1

Letter from Charles, Lord Boyle to William Cavendish, 4th Duke of DevonshireCS4/753

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/754

Letter from James Smith-Stanley, Lord Strange to William Cavendish, 4th Duke of DevonshireCS4/755

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/756

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/757

Letter from Richard Howe to William Cavendish, 4th Duke of DevonshireCS4/757.1

Letter from J Pelham to William Cavendish, 4th Duke of DevonshireCS4/758

Letter from William Murray, 1st Earl of Mansfield to William Cavendish, 4th Duke of DevonshireCS4/759

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/760

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/761

Copy letter from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/762

Letter from Welbore Ellis to William Cavendish, 4th Duke of DevonshireCS4/763

Letter from Henry Pleydell Dawnay, 3rd Viscount Downe to William Cavendish, 4th Duke of DevonshireCS4/764

Letter from John Caleraft to William Cavendish, 4th Duke of DevonshireCS4/765

Letter from William Conner to William Cavendish, 4th Duke of DevonshireCS4/766

Letter from Richard Rigby to William Cavendish, 4th Duke of DevonshireCS4/767

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/768

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/769

Letter from Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/770

Letter from Samuel Sandys, 1st Baron Sandys of Ombersley to William Cavendish, 4th Duke of DevonshireCS4/771

Letter from William Cavendish, 4th Duke of Devonshire to Lord Frederick CavendishCS4/772

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/773

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/774

Letter from Sir William Osborne, 8th baronet to William Cavendish, 4th Duke of DevonshireCS4/775

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/776

Letter from James Waldegrave, 2nd Earl Waldegrave to William Cavendish, 4th Duke of DevonshireCS4/777

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/778

Copy letter from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/779

Letter from William Cavendish, 4th Duke of Devonshire to Lord Frederick CavendishCS4/780

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/781

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/782

Letter from William Cavendish, 4th Duke of Devonshire to Henry Seymour-ConwayCS4/783

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/784

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/785

Letter [from Lord Frederick Cavendish] to William Cavendish, 4th Duke of DevonshireCS4/786

Letter from Charles Townshend to William Cavendish, 4th Duke of DevonshireCS4/787

Letter from Richard Newcome, Bishop of Landaff to William Cavendish, 4th Duke of DevonshireCS4/788

Letter from Mary Jenny Molesworth (née Usher) Viscountess Molesworth to William Cavendish, 4th Duke of DevonshireCS4/789

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/790

Memorandum on court proceedings by William Cavendish, 4th Duke of DevonshireCS4/791

Letter from George Venables-Vernon, 1st Baron Vernon to William Cavendish, 4th Duke of DevonshireCS4/792

Letter from Thomas Coke, 1st Earl of Leicester to William Cavendish, 4th Duke of DevonshireCS4/793

Copy letter from Sampson Gideon to William Cavendish, 4th Duke of DevonshireCS4/794

Letter from John Campbell, 4th Earl of Loudon to William Cavendish, 4th Duke of DevonshireCS4/795

Letter from William Conner to William Cavendish, 4th Duke of DevonshireCS4/796

Letter from Charles Lennox, 3rd Duke of Richmond to William Cavendish, 4th Duke of DevonshireCS4/797

Letter from William Cavendish, 4th Duke of Devonshire to Lord Frederick CavendishCS4/797.1

Copy letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/798

Letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/798.1

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/799

Letter from John Carteret, Earl Granville to William Cavendish, 4th Duke of DevonshireCS4/800

Minute from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/801

Letter from Robert Darcy, 4th Earl of Holderness to William Cavendish, 4th Duke of DevonshireCS4/802

Letter from Richard Rigby to William Cavendish, 4th Duke of DevonshireCS4/803

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/804

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/805

Letter from Thomas Hay, Viscount Dupplin to William Cavendish, 4th Duke of DevonshireCS4/806

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/807

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/808

Letter from Alexander Barker to William Cavendish, 4th Duke of DevonshireCS4/809

Letter from Alexander Barker to William Cavendish, 4th Duke of DevonshireCS4/810

Note of the intentions of the gathered group of "rioters" at ChatsworthCS4/811

Letter from Caroline Campbell, Dowager Countess of Ailesbury to William Cavendish, 4th Duke of DevonshireCS4/812

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/813

Letter from William Cavendish, 4th Duke of Devonshire to Lord Frederick CavendishCS4/813.1

Letter from Charles Townshend to William Cavendish, 4th Duke of DevonshireCS4/814

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/814.1

Letter from Sir William Fitzherbert to William Cavendish, 4th Duke of DevonshireCS4/815

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/816

Letter from Sir Henry Cavendish to William Cavendish, 4th Duke of DevonshireCS4/817

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/818

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/819

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/820

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/821

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/822

Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/823

Letter from John Manners, 3rd Duke of Rutland to William Cavendish, 4th Duke of DevonshireCS4/824

Letter from David Garrick to William Cavendish, 4th Duke of DevonshireCS4/825

Letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/826

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/827

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/828

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/829

Letter from [Richard] Nugent to William Cavendish, 4th Duke of DevonshireCS4/830

Letter from Dorothy Boyle (née Savile) Countess of Burlington to William Cavendish, 4th Duke of DevonshireCS4/831

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/832

Letter from Richard Arundell to William Cavendish, 4th Duke of DevonshireCS4/833

Letter from George Venables-Vernon to William Cavendish, 4th Duke of DevonshireCS4/834

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/835

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/836

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/837

Copy letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/838

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/839

Copy letter from William Cavendish, 4th Duke of Devonshire to Henry FoxCS4/840

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/841

Letter from Robert Henley to William Cavendish, 4th Duke of DevonshireCS4/842

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/843

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/844

Letter from Francis Seymour-Conway, 1st Earl of Hertford to William Cavendish, 4th Duke of DevonshireCS4/845

Letter from Sir Everard Fawkener to William Cavendish, 4th Duke of DevonshireCS4/846

Letter from Charles Watson-Wentworth, 2nd Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/847

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/848

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/849

Letter from [ Louis-François Grossin de Bouville] Comte de Bouville to William Cavendish, 4th Duke of DevonshireCS4/850

Letter from J Prendergast to William Cavendish, 4th Duke of DevonshireCS4/851

Letter from William Cavendish, 4th Duke of Devonshire to William PittCS4/852

Letter from J Pelham to William Cavendish, 4th Duke of DevonshireCS4/853

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/854

Letter from John Cole to William Cavendish, 4th Duke of DevonshireCS4/855

Letter from J Pelham to William Cavendish, 4th Duke of DevonshireCS4/856

Letter [from John Bowes] to William Cavendish, 4th Duke of DevonshireCS4/857

Letter from Thomas Robinson to William Cavendish, 4th Duke of DevonshireCS4/858

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/859

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/860

Letter from Thomas Coke, 1st Earl of Leicester to William Cavendish, 4th Duke of DevonshireCS4/861

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/862

Letter from John Russell, 4th Duke of Bedford to William Cavendish, 4th Duke of DevonshireCS4/863

Letter from Richard Rigby to William Cavendish, 4th Duke of DevonshireCS4/864

Copy letters from William Cavendish, 4th Duke of Devonshire to John Bowes and to Mr [John] PonsonbyCS4/865

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/866

Copy letter from William Cavendish, 4th Duke of Devonshire to Richard RigbyCS4/867

Letter from John Ponsonby to William Cavendish, 4th Duke of DevonshireCS4/868

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/869

Letter from Sir Henry Cavendish to William Cavendish, 4th Duke of DevonshireCS4/870

Letter from Samuel Crompton to William Cavendish, 4th Duke of DevonshireCS4/871

Letter from Mary Watson-Wentworth (née Bright) Marchioness of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/872

Letter from Mary Watson-Wentworth (née Bright) Marchioness of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/873

Letter from Francis Seymor-Conway, 1st Earl of Hertford to William Cavendish, 4th Duke of DevonshireCS4/874

Letter from Nathaniel Clements to William Cavendish, 4th Duke of DevonshireCS4/875

Letter from Sir Joshua Vanneck to William Cavendish, 4th Duke of DevonshireCS4/876

Letter from Sir William Fitzherbert to William Cavendish, 4th Duke of DevonshireCS4/877

Letter from Sir Henry Cavendish to William Cavendish, 4th Duke of DevonshireCS4/878

Letter from Sir Henry Cavendish to William Cavendish, 4th Duke of DevonshireCS4/879

Letter from Thomas Coke, 1st Earl of Leicester to William Cavendish, 4th Duke of DevonshireCS4/880

Letter from Sir William Fitzherbert to William Cavendish, 4th Duke of DevonshireCS4/881

Letter from James Fitzgerald, 20th Earl of Kildare to William Cavendish, 4th Duke of DevonshireCS4/882

Letter from Winman Cooke to William Cavendish, 4th Duke of DevonshireCS4/883

Letter from Henry Arthur Herbert, Earl of Powis to William Cavendish, 4th Duke of DevonshireCS4/884

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/885

Letter from J Pelham to William Cavendish, 4th Duke of DevonshireCS4/886

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/887

Letter from J Pelham to William Cavendish, 4th Duke of DevonshireCS4/888

Letter from Sir William Fitzherbert to William Cavendish, 4th Duke of DevonshireCS4/889

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/890

Letter [from Sir John Mordaunt] to unknown recipientCS4/891

Copy of Sir George Howard's paper addressed to the Court of Enquiry into the Rochfort expeditionCS4/892

Memorandum on the dimensions of H.M.S. Princess AmeliaCS4/893

Letter from Mary Howard (née Blount), Duchess of Norfolk to William Cavendish, 4th Duke of DevonshireCS4/894

Letter from J Pelham to William Cavendish, 4th Duke of DevonshireCS4/895

Letter from Charles Frederick to William Cavendish, 4th Duke of DevonshireCS4/896

Letter from Charles, Lord Boyle to William ConnerCS4/897

Letter from [ Louis-François Grossin de Bouville] Comte de Bouville to William Cavendish, 4th Duke of DevonshireCS4/898

Letter from Sir William Fitzherbert to William Cavendish, 4th Duke of DevonshireCS4/899

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/900

Letter from William Conner to William Cavendish, 4th Duke of DevonshireCS4/901

Letter from Sir Henry Cavendish to William Cavendish, 4th Duke of DevonshireCS4/902

Letter from Sir William Fitzherbert to William Cavendish, 4th Duke of DevonshireCS4/903

Letter from Charles, Lord Boyle, to William Cavendish, 4th Duke of DevonshireCS4/904

Letter from Griffith Davies to William Cavendish, 4th Duke of DevonshireCS4/905

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/906

Letter from Samuel Crompton to William Cavendish, 4th Duke of DevonshireCS4/907

Letter from Thomas Lowder to William Cavendish, 4th Duke of DevonshireCS4/908

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/909

Letter from James Gisborne junior to William Cavendish, 4th Duke of DevonshireCS4/910

Letter from John Russell, 4th Duke of Bedford to William Cavendish, 4th Duke of DevonshireCS4/911

Letter from Thomas Buckston to William Cavendish, 4th Duke of DevonshireCS4/912

Letter from Anthony Coghlan to Sir Robert WilmotCS4/913

Letter from Sir Henry Cavendish to William Cavendish, 4th Duke of DevonshireCS4/914

Letter from Sir William Fitzherbert to William Cavendish, 4th Duke of DevonshireCS4/915

Letter from Philip Yorke, 1st Earl of Hardwicke to William Cavendish, 4th Duke of DevonshireCS4/916

Letter from Richard Newcome, Bishop of Landaff to William Cavendish, 4th Duke of DevonshireCS4/917

Letter from Charles Spencer, 3rd Duke of Marlborough to William Cavendish, 4th Duke of DevonshireCS4/918

Letter from Samuel Hunton to William Cavendish, 4th Duke of DevonshireCS4/919

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/920

Letter from James Calthorpe to William Cavendish, 4th Duke of DevonshireCS4/921

Letter from Alexander Barker to William Cavendish, 4th Duke of DevonshireCS4/922

Letter from Thomas Coke, 1st Earl of Leicester to William Cavendish, 4th Duke of DevonshireCS4/923

Letter from Anthony Coghlan to Sir Robert WilmotCS4/924

Letter from Francis Seymour-Conway, 1st Earl of Hertford to William Cavendish, 4th Duke of DevonshireCS4/925

Letter from Sir Charles Knowles to William Cavendish, 4th Duke of DevonshireCS4/926

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/927

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/928

Draft letter from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, Duke of NewcastleCS4/929

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/930

Letter from John Russell, 4th Duke of Bedford to William Cavendish, 4th Duke of DevonshireCS4/931

Letter from Thomas Pelham-Holles, Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/932

Letter from Horatio [Horace] Walpole to William Cavendish, 4th Duke of DevonshireCS4/933

Letter from James Abercromby to William Cavendish, 4th Duke of DevonshireCS4/934

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/935

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/936

Letter from Anthony Coghlan to Sir Robert WilmotCS4/937

Letter from James Paine to William Cavendish, 4th Duke of DevonshireCS4/937.1

Letter from Alexander Barker to William Cavendish, 4th Duke of DevonshireCS4/938

Letter from Francis Seymour-Conway, 1st Earl of Hertford to William Cavendish, 4th Duke of DevonshireCS4/939

Letter from Richard Newcome, Bishop of Landaff to William Cavendish, 4th Duke of DevonshireCS4/940

Letter from Henry Hunloke to William Cavendish, 4th Duke of DevonshireCS4/941

Letter from Charles Lennox, 3rd Duke of Richmond to William Cavendish, 4th Duke of DevonshireCS4/942

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/943

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/944

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/945

Letter from William Clavering-Cowper, 2nd Earl Cowper to William Cavendish, 4th Duke of DevonshireCS4/946

Letter from Richard Newcome, Bishop of Landaff to William Cavendish, 4th Duke of DevonshireCS4/947

Letter from George Anson to William Cavendish, 4th Duke of DevonshireCS4/948

Letter from George Keppel, 3rd Earl of Albemarle to William Cavendish, 4th Duke of DevonshireCS4/949

Letter from Elizabeth Percy (née Seymour) Duchess of Northumberland to William Cavendish, 4th Duke of DevonshireCS4/950

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/951

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/952

Letter from Anne van Keppel (née Lennox), Dowager Countess of Albemarle to William Cavendish, 4th Duke of DevonshireCS4/953

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/954

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/955

Letter from Anthony Coghlan to Sir Robert WilmotCS4/956

Letter from Richard Arundell to William Cavendish, 4th Duke of DevonshireCS4/957

Copy letter from Richard Howe to Mr Cleveland, AdmiraltyCS4/958

Letter from John Elphinston [to Brabazon Ponsonby, 1st Earl of Bessborough]CS4/959

Letter from Sir Henry Cavendish to William Cavendish, 4th Duke of DevonshireCS4/960

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/961

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/962

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/963

Letter Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/964

Letter from Sir William Moreton to William Cavendish, 4th Duke of DevonshireCS4/965

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/966

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/967

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/968

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/969

Copy letter from Robert Wood to John Russell, 4th Duke of BedfordCS4/970

Letter from Sir Henry Moore to William Cavendish, 4th Duke of DevonshireCS4/971

Letter from Mary Howard (née Blount), Duchess of Norfolk to William Cavendish, 4th Duke of DevonshireCS4/972

Letter from John Green to William Cavendish, 4th Duke of DevonshireCS4/973

Letter from Alicia Maria Wyndham, (née Carpenter) Countess of Egremont, to William Cavendish, 4th Duke of DevonshireCS4/974

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/975

Letter from James Gisborne junior to William Cavendish, 4th Duke of DevonshireCS4/976

Letter from Sir William Fitzherbert to William Cavendish, 4th Duke of DevonshireCS4/977

Letter from Sampson Copestake to William Cavendish, 4th Duke of DevonshireCS4/978

Letter from Robert Shirley to William Cavendish, 4th Duke of DevonshireCS4/979

Note of the victory between Kempen and CroeveldtCS4/980

Letter from William Wentworth, 2nd Earl of Strafford to William Cavendish, 4th Duke of DevonshireCS4/981

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/982

Letter from Thomas Scawen to William Cavendish, 4th Duke of DevonshireCS4/983

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/984

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/985

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/986

Letter from J Pelham to William Cavendish, 4th Duke of DevonshireCS4/987

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/988

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/989

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/990

Letter from William Wildman Shute Barrington, 2nd Viscount Barrington to William Cavendish, 4th Duke of DevonshireCS4/991

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/992

Letter from John Gilbert, Archbishop of York to William Cavendish, 4th Duke of DevonshireCS4/993

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/994

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/995

Letter from John Green to William Cavendish, 4th Duke of DevonshireCS4/996

Letter from William Ponsonby, Viscount Duncannon to William Cavendish, 4th Duke of DevonshireCS4/997

Letter from Prince de San Severino to William Cavendish, 4th Duke of DevonshireCS4/998

Royal Warrant to the Justices of Assize, Midland Circuit concerning the soldiers who killed George HeadleyCS4/999

Letter from James Gisborne junior to William Cavendish, 4th Duke of DevonshireCS4/1000

Letter from Sir William Fitzherbert to William Cavendish, 4th Duke of DevonshireCS4/1001

Letter from William Ponsonby, 2nd Earl of Bessborough to William Cavendish, 4th Duke of DevonshireCS4/1002

Letter from Caroline Ponsonby (née Cavendish), Countess of Bessborough to William Cavendish, 4th Duke of DevonshireCS4/1003

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1004

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1005

Letter from William Ponsonby, 2nd Earl of Bessborough to William Cavendish, 4th Duke of DevonshireCS4/1006

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/1007

Letter from Anne Wentworth (née Campbell) Countess of Strafford to William Cavendish, 4th Duke of DevonshireCS4/1008

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1009

Letter from Anthony Thomas Abdy to William Cavendish, 4th Duke of DevonshireCS4/1010

Letter from Augustus Henry Fitzroy, Duke of Grafton, to William Cavendish, 4th Duke of DevonshireCS4/1011

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1012

Letter from Mary Howard (née Blount) Duchess of Norfolk to William Cavendish, 4th Duke of DevonshireCS4/1013

Letter from Henry Conyngham to William Cavendish, 4th Duke of DevonshireCS4/1014

Letter from Peregrine Bertie, 3rd Duke of Ancaster and Kesteven to William Cavendish, 4th Duke of DevonshireCS4/1015

Note of the capture of CherbourgCS4/1016

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1017

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1018

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1019

Letter from Mary Howard (née Blount), Duchess of Norfolk to William Cavendish, 4th Duke of DevonshireCS4/1020

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1021

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1022

Letter from Charles Watson-Wentworth, 2nd Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1023

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1024

Letter from William Ponsonby, 2nd Earl of Bessborough to William Cavendish, 4th Duke of DevonshireCS4/1025

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1026

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1027

Letter from John Russell, 4th Duke of Bedford to William Cavendish, 4th Duke of DevonshireCS4/1028

Letter from John Croker to Sir Henry CavendishCS4/1029

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1030

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1031

Letter from William Wildman Shute- Barrington, 2nd Viscount Barrington to William Cavendish, 4th Duke of DevonshireCS4/1032

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1033

Letter from the Michel-Ange Du Quesne de Menneville, Marquis Du Quesne [to William Cavendish, 4th Duke of Devonshire]CS4/1034

Letter from Caroline Ponsonby (née Cavendish) Countess of Bessborough to William Cavendish, 4th Duke of DevonshireCS4/1035

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1036

Letter from David Garrick to William Cavendish, 4th Duke of DevonshireCS4/1037

Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1038

Letter from Anthony Coghlan to Sir Robert WilmotCS4/1039

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1040

Memorandum on the Marquis DuquesneCS4/1041

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1042

Letter from Michel-Ange Du Quesne de Menneville, Marquis Du Quesne to William Cavendish, 4th Duke of DevonshireCS4/1043

Letter from J Pelham to William Cavendish, 4th Duke of DevonshireCS4/1044

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1045

List of officers taken prisoner and those killedCS4/1046

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1047

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1048

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1049

Letter from David Garrick to William Cavendish, 4th Duke of DevonshireCS4/1050

Letter from Michel-Ange Du Quesne de Menneville, Marquis Du Quesne to William Cavendish, 4th Duke of DevonshireCS4/1051

Letter from Robert Wood to William Cavendish, 4th Duke of DevonshireCS4/1052

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1053

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1054

Letter from Augustus Henry Fitzroy, 3rd Duke of Grafton, to William Cavendish, 4th Duke of DevonshireCS4/1055

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1056

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1057

Letter from Henry Read to William Cavendish, 4th Duke of DevonshireCS4/1058

Extracts of letters from Lieutenant Tryon to Henry ReadCS4/1059

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1060

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1061

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1062

Letter from Alexander Barker to William Cavendish, 4th Duke of DevonshireCS4/1063

Letter from William Wentworth, 2nd Earl of Strafford to William Cavendish, 4th Duke of DevonshireCS4/1064

Letter from Anthony Coghlan to Sir Robert WilmotCS4/1065

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1066

Copy of correspondence of William Pitt and Michel-Ange Du Quesne de Menneville, Marquis Du QuesneCS4/1067

A List of the gentlemen to be appointed Justices of the Peace for the county of DerbyCS4/1068

Letter from Michel-Ange Du Quesne de Menneville, Marquis Du Quesne to William Cavendish, 4th Duke of DevonshireCS4/1069

Letter from William Ponsonby, 2nd Earl of Bessborough to William Cavendish, 4th Duke of DevonshireCS4/1070

Letter from John Bowes to William Cavendish, 4th Duke of DevonshireCS4/1071

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1072

Letter from David Garrick to William Cavendish, 4th Duke of DevonshireCS4/1073

Letter from J Clevland to William Cavendish, 4th Duke of DevonshireCS4/1074

Letter from Thomas Fletcher, Bishop of Kildare to William Cavendish, 4th Duke of DevonshireCS4/1075

Letter from George Keppel, 3rd Earl of Albemarle to William Cavendish, 4th Duke of DevonshireCS4/1076

Letter from James Collins to William Cavendish, 4th Duke of DevonshireCS4/1077

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/1078

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1079

Letter from Richard Rigby to William Cavendish, 4th Duke of DevonshireCS4/1080

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1081

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1082

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1083

Letter from H Cotton to William Cavendish, 4th Duke of DevonshireCS4/1084

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1085

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/1086

Letter from W Cotton to William Cavendish, 4th Duke of DevonshireCS4/1087

Letter from Thomas Cheyney to William Cavendish, 4th Duke of DevonshireCS4/1087 A

Letter from J Pelham to William Cavendish, 4th Duke of DevonshireCS4/1088

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1089

Letter from Anna Maria Poyntz to William Cavendish, 4th Duke of DevonshireCS4/1090

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1091

Letter from Anne FitzRoy, Duchess of Grafton to William Cavendish, 4th Duke of DevonshireCS4/1092

Letter from Michel-Ange Du Quesne de Menneville, Marquis Du Quesne to William Cavendish, 4th Duke of DevonshireCS4/1093

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1094

Letter from John Bowman to William Cavendish, 4th Duke of DevonshireCS4/1095

Letter from Thomas Coke, 1st Earl of Leicester to William Cavendish, 4th Duke of DevonshireCS4/1096

Letter from Bowen Southwell to William Cavendish, 4th Duke of DevonshireCS4/1097

Letter from Thomas Coke, 2nd Earl of Leicester to William Cavendish, 4th Duke of DevonshireCS4/1098

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1099

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1100

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1101

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1102

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1103

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1104

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1105

Letter from H Slingsby to William Cavendish, 4th Duke of DevonshireCS4/1106

Letter from Richard Edgecumbe, 2nd Baron to William Cavendish, 4th Duke of DevonshireCS4/1106.1

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1107

Letter from Edward Walpole to William Cavendish, 4th Duke of DevonshireCS4/1108

Letter from Richard Edgcumbe, 2nd Baron to William Cavendish, 4th Duke of DevonshireCS4/1109

Letter from Henry Bedingfeld, 3rd Baronet to William Cavendish, 4th Duke of DevonshireCS4/1110

Letter from Samuel Foote to William Cavendish, 4th Duke of DevonshireCS4/1111

Letter from Anthony Coghlan to Sir Robert WilmotCS4/1112

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1113

Letter from Henry Boyle, 1st Earl of Shannon to William ConnerCS4/1114

Letter from Robert Pratt to William ConnerCS4/1115

Letter from Thomas Apruce to William Cavendish, 4th Duke of DevonshireCS4/1116

Letter from George Cholmondeley, 3rd Earl of Cholmondeley to William Cavendish, 4th Duke of DevonshireCS4/1117

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1118

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1119

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1120

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1121

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1122

Letter from Jeffery Amherst to William Cavendish, 4th Duke of DevonshireCS4/1123

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1124

Letter from Thomas Barbon to William Cavendish, 4th Duke of DevonshireCS4/1125

Letter from John Boyle, 5th Earl of Cork and Orrery to William Cavendish, 4th Duke of DevonshireCS4/1126

Letter from Thomas Edwards to William Cavendish, 4th Duke of DevonshireCS4/1127

Letter from William Conner to William Cavendish, 4th Duke of DevonshireCS4/1128

Letter from G Holmes to William Cavendish, 4th Duke of DevonshireCS4/1129

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1130

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1131

Letter from Richard Edgcumbe, 2nd Baron to William Cavendish, 4th Duke of DevonshireCS4/1132

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1133

Letter from Sir Anthony Thomas Abdy to William Cavendish, 4th Duke of DevonshireCS4/1134

Copy letter from Joseph Yorke to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1135

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1136

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1137

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1138

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1139

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1140

Copy letter from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1141

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1142

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1143

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1144

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1145

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1146

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1147

Plan of the Battle of MindenCS4/1148

Copy letter from Lord George Sackville to Charles Lennox, 3rd Duke of RichmondCS4/1149

Letter from unknown sender [to William Cavendish, 4th Duke of Devonshire]CS4/1150

Letter from Robery Darcy, 4th Earl of Holderness to William Cavendish, 4th Duke of DevonshireCS4/1151

Extract of The London GazetteCS4/1152

Letter from Robert Darcy, 4th Earl of Holdernesse to William Cavendish, 4th Duke of DevonshireCS4/1153

An account of the details of Battle of MindenCS4/1154

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1155

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1156

Letter from William Conner to William Cavendish, 4th Duke of DevonshireCS4/1157

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1158

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1159

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1160

Letter from Robert Darcy, 4th Earl of Holderness to William Cavendish, 4th Duke of DevonshireCS4/1161

Letter from Robert Darcy, 4th Earl of Holderness to William Cavendish, 4th Duke of DevonshireCS4/1162

Copy letter from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1163

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1164

Letter from Edmund Horne to William Cavendish, 4th Duke of DevonshireCS4/1165

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1166

Letter from Thomas Harley to William Cavendish, 4th Duke of DevonshireCS4/1167

Letter from Robert Darcy, 4th Earl of Holderness to William Cavendish, 4th Duke of DevonshireCS4/1168

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1169

Letter from J Pelham to William Cavendish, 4th Duke of DevonshireCS4/1170

Copy letter from J Parker to King George IICS4/1171

Letter from Thomas Harley to William Cavendish, 4th Duke of DevonshireCS4/1172

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1173

Draft letter from William Cavendish, 4th Duke of Devonshire to Thomas HarleyCS4/1174

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1175

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/1176

Letter from John Hale to William Cavendish, 4th Duke of DevonshireCS4/1177

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1178

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1179

Letter from Richard Newcome, Bishop of Landaff to William Cavendish, 4th Duke of DevonshireCS4/1180

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1181

Letter from William Cavendish, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1182

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1183

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1184

Letter from Richard Grenville-Temple, 2nd Earl Temple to King George IIICS4/1185

Letter from Philip Yorke, 1st Earl of Hardwicke to William Cavendish, 4th Duke of DevonshireCS4/1186

Letter from J Clevland to William Cavendish, 4th Duke of DevonshireCS4/1187

Letter from William Conner to William Cavendish, 4th Duke of DevonshireCS4/1188

Letter from Robert Darcy, 4th Earl of Holderness to William Cavendish, 4th Duke of DevonshireCS4/1189

Letter from Sir John Eardley Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1190

Letter from Robert Darcy, 4th Earl of Holderness to William Cavendish, 4th Duke of DevonshireCS4/1191

Letter from Henry Arthur Herbert, 1st Earl of Powis to William Cavendish, 4th Duke of DevonshireCS4/1192

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1193

Letter from Jacob Bouverie, 1st Viscount Folkestone to William Cavendish, 4th Duke of DevonshireCS4/1193.1

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1194

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1195

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1196

Letter from Richard Grenville-Temple, 2nd Earl Temple to William Cavendish, 4th Duke of DevonshireCS4/1197

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1198

Letter from Richard Grenville-Temple, 2nd Earl Temple to William Cavendish, 4th Duke of DevonshireCS4/1199

Letter from Richard Grenville-Temple, 2nd Earl Temple to William Cavendish, 4th Duke of DevonshireCS4/1200

Letter from Richard Edgcumbe, 2nd Baron to William Cavendish, 4th Duke of DevonshireCS4/1201

Letter from Thomas Gilbert to William Cavendish, 4th Duke of DevonshireCS4/1202

Letter from Sir John Eardley Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1203

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/1204

Letter from Horatio [Horace] Walpole to William Cavendish, 4th Duke of DevonshireCS4/1205

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1206

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1208

Letter from Richard Grenville-Temple, 2nd Earl Temple to William Cavendish, 4th Duke of DevonshireCS4/1209

Letter from Richard Grenville-Temple, 2nd Earl Temple to William Cavendish, 4th Duke of DevonshireCS4/1210

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1211

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1212

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1213

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1214

Copy letter extract from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1215

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1216

Letter from Alexander Barker to William Cavendish, 4th Duke of DevonshireCS4/1217

Letter from John Roose to Alexander BarkerCS4/1218

Letter from Alexander Barker to William Cavendish, 4th Duke of DevonshireCS4/1219

Letter from George Tissington to Jemmy GroveCS4/1220

Letter from Alexander Barker to William Cavendish, 4th Duke of DevonshireCS4/1221

Letter from [Brabazon] Hallows to William Cavendish, 4th Duke of DevonshireCS4/1222

Letter from William Irby to William Cavendish, 4th Duke of DevonshireCS4/1223

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1224

Letter from Philip Yorke, 1st Earl of Hardwicke to William Cavendish, 4th Duke of DevonshireCS4/1225

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1226

Letter from Arthur Smyth, Bishop of Down and Connor to William Cavendish, 4th Duke of DevonshireCS4/1227

Letter from Thomas Hay, 9th Earl of Kinnoull to William Cavendish, 4th Duke of DevonshireCS4/1228

Letter from Lady Elizabeth Ponsonby (née Cavendish) to William Cavendish, 4th Duke of DevonshireCS4/1229

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1230

Letter from Charles O' Brien, 6th Viscount Clare (9th Earl of Thomond) to William Cavendish, 4th Duke of DevonshireCS4/1231

Letter from James Paine to William Cavendish, 4th Duke of DevonshireCS4/1232

Valuation of the laundry and room in Captain Skiffen's House and two stables and coach houseCS4/1233

Valuation of the laundry and room in Captain Skiffen's House and two stables and coach houseCS4/1234

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1235

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/1236

Letter from William Ponsonby, 2nd Earl of Bessborough to William Cavendish, 4th Duke of DevonshireCS4/1237

Letter from William Ponsonby, 2nd Earl of Bessborough to William Cavendish, 4th Duke of DevonshireCS4/1238

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1239

Copy letter from Prince Ferdinand, Duke of Brunswick to Robery Darcy, 4th Earl of HoldernessCS4/1240

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1241

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1242

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1243

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1244

Letter from Sir George Howard to William Cavendish, 4th Duke of DevonshireCS4/1245

Letter from John Russell, 4th Duke of Bedford to William Cavendish, 4th Duke of DevonshireCS4/1246

Letter from Hugh Valence Jones to William Cavendish, 4th Duke of DevonshireCS4/1247

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1248

Account of Sir Henry Cavendish's payments and receipts for the Duke of DevonshireCS4/1249

Printed copy of a letter from the Earl of Clanricarde to the Duke of BedfordCS4/1250

Letter from George Howard [to William Cavendish, 4th Duke of Devonshire]CS4/1251

Letter from John Wright to William Cavendish, 4th Duke of DevonshireCS4/1252

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1253

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1254

Letter from Richard Pococke, Bishop of Ossory to William Cavendish, 4th Duke of DevonshireCS4/1255

Letter from Jeffrey Amherst to William Cavendish, 4th Duke of DevonshireCS4/1256

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1257

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1258

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1259

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1260

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1261

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1262

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1263

Letter [from Louis-Jacques Grossin, comte de Bouville] to William Cavendish, 4th Duke of DevonshireCS4/1264

Letter from Horatio [Horace] Walpole to William Cavendish, 4th Duke of DevonshireCS4/1265

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1266

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1267

Extract of The London GazetteCS4/1268

Letter from Augustus Henry Fitzroy, Duke of Grafton, to William Cavendish, 4th Duke of DevonshireCS4/1269

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1270

Letter from Sir George Howard to William Cavendish, 4th Duke of DevonshireCS4/1271

Letter from Sir Anthony Thomas Abdy to William Cavendish, 4th Duke of DevonshireCS4/1272

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1273

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1274

Letter from Midgley [to a Cavendish family member]CS4/1274.1

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1275

Letter from Sir George Howard to William Cavendish, 4th Duke of DevonshireCS4/1276

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1277

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1278

Letter from Thomas Secker, Archbishop of Canterbury to William Cavendish, 4th Duke of DevonshireCS4/1279

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1280

Note of numbers killed, wounded and missing [in Battle of Kloster-Kamp]CS4/1281

Printed letter from Richard Rigby to the Earl of [Clarincade]CS4/1282

Letter from Sir George Howard to William Cavendish, 4th Duke of DevonshireCS4/1283

Letter from William Cavendish, 4th Duke of Devonshire to Thomas Secker, Archbishop of CanterburyCS4/1284

Letter from Robert Darcy, 4th Earl of Holderness to William Cavendish, 4th Duke of DevonshireCS4/1285

Letter from Henry Liddell, 1st Baron Ravensworth to William Cavendish, 4th Duke of DevonshireCS4/1286

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1287

Letter from Henry Boyle, 1st Earl of Shannon, to William Cavendish, 4th Duke of DevonshireCS4/1288

Copy letter from William Cavendish, 4th Duke of Devonshire to John Stuart, 3rd Earl of ButeCS4/1289

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/1290

Letter from Amalie von Wallmoden (née van Wendt), Countess of Yarmouth to William Cavendish, 4th Duke of DevonshireCS4/1291

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1292

Letter from Ferdinando Warner to William Cavendish, 4th Duke of DevonshireCS4/1293

Copy letter from Philip Yorke, 1st Earl of Hardwicke to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1294

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1295

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/1296

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1297

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1298

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1299

Letter from the tenants and servants [of the Duke of Devonshire at Lismore] to William Cavendish, 4th Duke of DevonshireCS4/1300

Letter from Sir George Howard to William Cavendish, 4th Duke of DevonshireCS4/1301

Letter from Richard Cavendish (formerly Chandler) to William Cavendish, 4th Duke of DevonshireCS4/1302

Copy letter from William Pitt to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1303

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1304

Letter from James Caulfeild, 4th Viscount Charlemont to William Cavendish, 4th Duke of DevonshireCS4/1305

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1306

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1307

Letter from John Ponsonby to William Cavendish, 4th Duke of DevonshireCS4/1308

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1309

Letter from Richard Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1310

Letter from Charles Turner to William Cavendish, 4th Duke of DevonshireCS4/1311

Letter from Robert Darcy, 4th Earl of Holderness to William Cavendish, 4th Duke of DevonshireCS4/1312

Letter from Henry Herbert, 1st Earl of Powis to William Cavendish, 4th Duke of DevonshireCS4/1313

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1314

Letter from William Richardson to William Cavendish, 4th Duke of DevonshireCS4/1315

Copy letter from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1316

Letter from William Ponsonby, 2nd Earl of Bessborough to William Cavendish, 4th Duke of DevonshireCS4/1317

Letter from Henry Herbert, 1st Earl of Powis to William Cavendish, 4th Duke of DevonshireCS4/1318

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1319

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1320

Copy letter from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1321

Letter from Sir George Howard to William Cavendish, 4th Duke of DevonshireCS4/1322

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1323

Letter from A [Desca] to William Cavendish, 4th Duke of DevonshireCS4/1324

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1325

Letter from John Manners, 3rd Duke of Rutland to William Cavendish, 4th Duke of DevonshireCS4/1326

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1327

Copy letter from Amelia Sophia von Wallmoden (née von Wendt), Countess of Yarmouth to William Cavendish, 4th Duke of DevonshireCS4/1328

Printed letter from The Earl of Clanricarde to the PublicCS4/1329

Letter from Thomas Hay, 9th Earl of Kinnoul to William Cavendish, 4th Duke of DevonshireCS4/1330

Letter from Sir George Howard to William Cavendish, 4th Duke of DevonshireCS4/1331

Letter from Mary Watson-Wentworth (née Liddell) Marchioness of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1332

Letter from Charles Watson-Wentworth, 2nd Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1333

Letter from George Rodney to William Cavendish, 4th Duke of DevonshireCS4/1334

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1335

Copy letter from Henry Herbert, 1st Earl of Powis to "His M-" [King George III]CS4/1336

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1337

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/1338

Letter from Robert Shirley to Sir Robert WilmotCS4/1339

Letter from Sir Nathaniel Curzon to William Cavendish, 4th Duke of DevonshireCS4/1340

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1341

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1342

Letter from Philip Dormer Stanhope, 4th Earl of Chesterfield to William Cavendish, 4th Duke of DevonshireCS4/1343

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1344

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1345

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1346

Derby corporation: Draft of address to the Sheriff of Derbyshire at the nomination of candidates for the General ElectionCS4/1347

Letter from the Derby Corporation to William Cavendish, 4th Duke of DevonshireCS4/1348

Report on the polls for a general election in DerbyCS4/1349

List of electors in DerbyshireCS4/1350

List of great proprietors in DerbyshireCS4/1351

List of holders of political interest in the different Hundreds of DerbyshireCS4/1352

Letter from Henry Paget, 2nd Earl of Uxbridge to William Cavendish, 4th Duke of DevonshireCS4/1353

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1354

Memorandum with regard to Duke of Richmond's actions during the electionCS4/1355

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1356

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1357

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1358

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1359

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1360

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1361

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1362

A Canvas of the Towns of Ashbourne and Compton by Dr John TaylorCS4/1363

Letter from Anthony Thomas Abdy to William Cavendish, 4th Duke of DevonshireCS4/1364

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1365

Letter from Henry Herbert, 1st Earl of Powis to William Cavendish, 4th Duke of DevonshireCS4/1366

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1367

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1368

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1369

Letter from Anthony Thomas Abdy to William Cavendish, 4th Duke of DevonshireCS4/1370

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1371

Letter from George Keppel, 3rd Earl of Albemarle to William Cavendish, 4th Duke of DevonshireCS4/1372

Letter from Anthony Coghlan to William Cavendish, 4th Duke of DevonshireCS4/1373

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1374

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1375

Letter from Sir George Howard to William Cavendish, 4th Duke of DevonshireCS4/1376

Copy letter from William Cavendish, 4th Duke of Devonshire [to the Mayor of Derby or the Sheriff of Derby County]CS4/1377

Printed " Account of the life and much lamented death of The Old Interest&CS4/1378

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1379

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1380

Copy letter from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1381

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1382

Copy letter from William Pitt to Duc de ChoiseulCS4/1383

Copy of memorandum on peace with FranceCS4/1384

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/1385

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1386

Letter [from Franz Ernst von Wallmoden] to Amalie von Wallmoden (née von Wendt), Countess of YarmouthCS4/1387

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1388

Note titled "Précis of the Dutch Mail"CS4/1389

Letter from Arthur Smyth, Bishop of Down and Connor to William Cavendish, 4th Duke of DevonshireCS4/1390

Letter from Philip Yorke, 1st Earl of Hardwicke to William Cavendish, 4th Duke of DevonshireCS4/1391

Copy letter from Étienne François, Marquis de Stainville, Duc de Choiseul to William PittCS4/1392

Copy letter from Étienne François, Marquis de Stainville, Duc de Choiseul to William PittCS4/1393

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1394

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1395

Memorandum the Duke of Devonshire is desired to mention, relating to the Division and Evaluation of His late Majesty's jewelsCS4/1396

Legal opinions concerning the jewellery of King George IICS4/1397

Letter from Princess Amelia to William Cavendish, 4th Duke of DevonshireCS4/1398

Letter from Étienne François, Marquis de Stainville, Duc de Choiseul to William PittCS4/1399

Copy of "Project de Memoire"CS4/1400

Letter [from Charles Yorke] to William Cavendish, 4th Duke of DevonshireCS4/1401

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1402

Letter from Thomas Dawson to William Cavendish, 4th Duke of DevonshireCS4/1403

Letter from E Finch to William Cavendish, 4th Duke of DevonshireCS4/1404

Letter from Princess Amelia to William Cavendish, 4th Duke of DevonshireCS4/1405

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1406

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1407

Letter from Richard Edgcumbe, 2nd Baron to William Cavendish, 4th Duke of DevonshireCS4/1408

Letter from Samuel Crompton to William Cavendish, 4th Duke of DevonshireCS4/1409

Letter from Richard Edgcumbe, 2nd Baron to William Cavendish, 4th Duke of DevonshireCS4/1410

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1411

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1412

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1413

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1414

A poem about the author's love of baconCS4/1414.1

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1415

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1416

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1417

Copy letter from John Stuart, 3rd Earl of Bute to Thomas Pelham Holles, 1st Duke of NewcastleCS4/1418

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1419

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1420

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1421

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1422

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1423

Copy letter from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1424

Copy letter from William Cavendish, 4th Duke of Devonshire to John Stuart, 3rd Earl of ButeCS4/1425

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1426

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1427

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1428

Letter from Thomas Savage to William Cavendish, 4th Duke of DevonshireCS4/1428.1

Notes of précis of the Dutch MailCS4/1429

Notes of précis of the Dutch MailCS4/1430

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1431

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1432

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1433

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1434

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1435

Letter from W Sharpe to William Cavendish, 4th Duke of DevonshireCS4/1436

Letter from W Sharpe to William Cavendish, 4th Duke of DevonshireCS4/1437

Précis of the Dutch MailCS4/1438

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1439

Letter from Charles Lennox, 3rd Duke of Richmond to William Cavendish, 4th Duke of DevonshireCS4/1440

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1441

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1442

Memorandum on considerations on the fishery at NewfoundlandCS4/1443

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1444

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1445

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1446

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1447

Letter from Thomas Birch [to Sir Robert Wilmot]CS4/1448

Letter from John Gilbert, Archbishop of York to William Cavendish, 4th Duke of DevonshireCS4/1449

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1450

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1451

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1452

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1453

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1454

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1455

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1456

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1457

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1458

Letter from Humphrey Morice to William Cavendish, 4th Duke of DevonshireCS4/1459

Memorandum on a précis of the Dutch MailCS4/1460

Memorandum on a précis of the Dutch MailCS4/1461

Letters from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1462

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1463

Notes on a précis of the Dutch MailCS4/1464

Notes on a précis of the Dutch MailCS4/1465

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to Philip Yorke, 1st Earl of HardwickeCS4/1466

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1467

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1468

Copy of an ultimatum from France on the peace negoatiations with Great BritainCS4/1469

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1470

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to John Stuart, 3rd Earl of ButeCS4/1471

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1472

Memorandum titled "Some hasty thoughts upon the French Answer"CS4/1473

Copy letter from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1474

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1475

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1476

Letter from John Russell, 4th Duke of Bedford to William Cavendish, 4th Duke of DevonshireCS4/1477

Letter from John Russell, 4th Duke of Bedford to William Cavendish, 4th Duke of DevonshireCS4/1478

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1479

Letter from Charles Moss to William Cavendish, 4th Duke of DevonshireCS4/1480

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1481

Copy letter from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1482

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1483

Letter from Philip Yorke, 1st Earl of Hardwicke to William Cavendish, 4th Duke of DevonshireCS4/1484

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1485

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1486

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1487

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1488

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1489

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1490

Memorandum from King George III to the Lords of the BedchamberCS4/1491

Letter from Lady Mary, Viscountess Coke (née Campbell) to William Cavendish, 4th Duke of DevonshireCS4/1492

Letter from Elizabeth Sackville, (née Colyear) Duchess of Dorset to William Cavendish, 4th Duke of DevonshireCS4/1493

Memorandum of queries for the King concerning the protocol for the royal weddingCS4/1494

Memorandum on people to attend the Coronation in the Lord Chamberlain's box in Westminster HallCS4/1495

Letter from Elizabeth Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1495.1

Letter from Edward Howard, 9th Duke of Norfolk to William Cavendish, 4th Duke of DevonshireCS4/1496

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1497

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1498

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/1499

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1500

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1501

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1502

Letter [from John Stuart, 3rd Earl of Bute] to William Cavendish, 4th Duke of DevonshireCS4/1503

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1504

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1505

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1506

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1507

Letter from Prince Edward, Duke of York to William Cavendish, 4th Duke of DevonshireCS4/1508

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1509

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1510

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1511

Royal Command to William Cavendish, 4th Duke of DevonshireCS4/1512

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1513

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1514

Royal Command to William Cavendish, 4th Duke of DevonshireCS4/1515

Letter from Thomas Secker, Archbishop of Canterbury to William Cavendish, 4th Duke of DevonshireCS4/1516

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1517

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1518

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1519

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1520

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1521

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1522

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1523

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1524

Letter from Robert Montagu, Duke of Manchester to William Cavendish, 4th Duke of DevonshireCS4/1525

Letter from Wills Hill, 1st Earl of Hillsborough, to William Cavendish, 4th Duke of DevonshireCS4/1526

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1527

Copy letter from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1528

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1529

Notes on a précis of the Dutch MailCS4/1530

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1531

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1532

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1533

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1534

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1534.1

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1535

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1536

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1537

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1538

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1539

Letter from Philip Yorke, 1st Earl of Hardwicke to William Cavendish, 4th Duke of DevonshireCS4/1540

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1541

Letter from Richard Rigby to Sir Robert WilmotCS4/1542

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1543

Note on a précis of the Dutch MailCS4/1544

Copy letters from William Cavendish, 4th Duke of Devonshire to Duke of NewcastleCS4/1545

Letter from Marchioness of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1546

Note on a précis of the Dutch MailCS4/1547

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1548

Letter from Mary Lennox, (née Bruce) Duchess of Richmond to William Cavendish, 4th Duke of DevonshireCS4/1549

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1550

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1551

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1552

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1553

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1554

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1555

Letter from Lord John Cavendish to Lord Frederick CavendishCS4/1555.1

Letter from Charles Townshend to William Cavendish, 4th Duke of DevonshireCS4/1556

Letter from Charles Watson-Wentworth, 2nd Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1557

List of ladies "For Minuet DancingCS4/1558

List of "ladies who have Tickets for Minuet DancingCS4/1559

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1560

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1561

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1562

Letter from Sir Henry Cavendish to Sir Robert WilmotCS4/1563

Letter from Lord John Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1564

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1565

Letter from Lord John Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1566

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1567

Letter from Lord John Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1568

Letter from Lord John Cavendish to Lord Frederick CavendishCS4/1569

Letter from Lord John Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1570

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1571

Letter from Lord John Cavendish to Lord Frederick CavendishCS4/1572

Letter from Sir Anthony Thomas Abdy to William Cavendish, 4th Duke of DevonshireCS4/1573

Letter from Sir Humphrey Morice to William Cavendish, 4th Duke of DevonshireCS4/1574

Letter from David Garrick to William Cavendish, 4th Duke of DevonshireCS4/1575

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1576

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1577

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1578

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1579

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1580

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1581

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1582

Letter from Fitzroy to Lord George CavendishCS4/1583

Letter from John Ponsonby to William Cavendish, 4th Duke of DevonshireCS4/1584

Copy of a memorandum on subsidies for the army for the year 1760-61CS4/1584.1

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1585

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1586

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1587

Letter from Lord John Cavendish to Lord Frederick CavendishCS4/1588

Copy letter [from Étienne François, Marquis de Stainville, Duc de Choiseul to Monsieur Solar]CS4/1588.1

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1589

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1590

Letter from Mr White to William Cavendish, 4th Duke of DevonshireCS4/1591

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1592

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1593

Letter from Lord John Cavendish to Lord Frederick CavendishCS4/1594

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1595

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/1596

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1597

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1598

Letter from Prince Ferdinand, Duke of Brunswick to William Cavendish, 4th Duke of DevonshireCS4/1599

Letter from Philip Yorke, 1st Earl of Hardwicke to William Cavendish, 4th Duke of DevonshireCS4/1600

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1601

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1602

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1603

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1604

Copy letter from William Cavendish, 4th Duke of Devonshire to John Stuart, 3rd Earl of ButeCS4/1605

Letter from Charles Wyndham, 2nd Earl of Egremont to William Cavendish, 4th Duke of DevonshireCS4/1606

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1607

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1608

Letter from Augustus John Hervey, 3rd Earl of Bristol to William Cavendish, 4th Duke of DevonshireCS4/1609

Letter from J Clevland to William Cavendish, 4th Duke of DevonshireCS4/1610

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1611

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1612

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1613

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1614

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1615

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to Philip Yorke, 1st Earl of HardwickeCS4/1616

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1617

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1618

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1619

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1620

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/1621

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1622

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1623

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1624

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1625

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1626

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1627

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1628

Correspondence between Thomas Hay, 9th Earl of Kinnoull, Thomas Pelham-Holles, 1st Duke of Newcastle and William Cavendish, 4th Duke of DevonshireCS4/1629

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1630

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1631

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1632

Letter from Thomas Savage to William Cavendish, 4th Duke of DevonshireCS4/1633

Letter from Charles Wyndham, 2nd Earl of Egremont to William Cavendish, 4th Duke of DevonshireCS4/1634

Letter from Thomas Worsley to William Cavendish, 4th Duke of DevonshireCS4/1635

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1636

Copy letter from William Cavendish, 4th Duke of Devonshire to Lords Commissioners of the TreasuryCS4/1637

A List of Foreign Ministers entitled to Coronation Medals according to PrecedentCS4/1638

Printed extract of The London GazetteCS4/1639

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1640

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1641

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1642

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1643

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1644

Letter from Henry Arthur Herbert, 1st Earl of Powis to William Cavendish, 4th Duke of DevonshireCS4/1645

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1646

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1647

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1648

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1649

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1650

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1651

Letter from John Stuart, 3rd Earl of Bute to William Cavendish, 4th Duke of DevonshireCS4/1652

Letter from Lord John Cavendish to Lord Frederick CavendishCS4/1652.1

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1653

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1654

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1655

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1656

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1657

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/1658

Letter from Thomas Osborne, 4th Duke of Leeds to William Cavendish, 4th Duke of DevonshireCS4/1659

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1660

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1661

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1662

Letter from John Manners, 3rd Duke of Rutland to William Cavendish, 4th Duke of DevonshireCS4/1663

Letters from Sir Henry Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1664

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1665

Receipt for £5,000 signed by Lady Frances ArundellCS4/1666

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1667

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1668

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1669

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1670

Copy letter from George Townshend to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1671

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1672

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1673

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1674

Letter from Henry Arthur Herbert, 1st Earl of Powis to William Cavendish, 4th Duke of DevonshireCS4/1675

Letter from Sir John Eardley Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1676

Letter from Charles Watson-Wentworth, 2nd Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1677

Letter from Sir William Fitzherbert to William Cavendish, 4th Duke of DevonshireCS4/1678

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1679

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1680

Letter from John West, Viscount Cantelupe to William Cavendish, 4th Duke of DevonshireCS4/1681

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1682

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1683

Letter from Sir George Howard to William Cavendish, 4th Duke of DevonshireCS4/1684

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1685

Memorandum on St George's Feast at Windsor, May 1671 as written by the Duke of ManchesterCS4/1686

Copy of the "Survey of the lodgings at Windsor Castle, from the Book of Precendents no. 13, page 203-204"CS4/1687

Copy letter [from Henry Jermyn, 1st Earl of St Albans] to Dr Reeves, 14 April 1674CS4/1688

Copy letter from Henry Bennet, 1st Earl of Arlington to Dr Durell, 3 June 1679CS4/1689

Copy of a memorandum on the houses to be reservered as lodgings for the Queen's servants at Windsor Castle, 5 June 1679CS4/1690

Copy of a memorandum on the houses to be reservered as lodgings for the Queen's servants at Windsor Castle, 12 April 1680CS4/1691

Copy of a memorandum on the houses to be reservered as lodgings for the Queen's servants at Windsor Castle, 15-17 April 1682CS4/1692

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1693

Letter from Francis Seymour-Conway, 1st Earl of Hertford to William Cavendish, 4th Duke of DevonshireCS4/1694

Letter from Charles Fitzroy to William Cavendish, 4th Duke of DevonshireCS4/1695

Letter from William Ponsonby, 2nd Earl of Bessborough to William Cavendish, 4th Duke of DevonshireCS4/1696

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1697

Copy letter from Joseph Yorke to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1698

Copy letter from George Grenville's office to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1699

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to George GrenvilleCS4/1700

Letter from Charles Fitzroy to William Cavendish, 4th Duke of DevonshireCS4/1701

Letter from Prince Ferdinand, Duke of Brunswick to William Cavendish, 4th Duke of DevonshireCS4/1702

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1703

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1704

Letter from Charles Watson-Wentworth, Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1705

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1706

Letter from Sir John Eardley Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1707

Letter from Lord Frederick Cavendish to Lord John CavendishCS4/1708

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1709

Letter from Charles Fitzroy to William Cavendish, 4th Duke of DevonshireCS4/1710

Letter from William Ponsonby, 2nd Earl of Bessborough to William Cavendish, 4th Duke of DevonshireCS4/1711

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1712

Copy letter from Robert Keith to unknown recipient [William Pitt?]CS4/1713

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1714

Letter from Sir George Howard to William Cavendish, 4th Duke of DevonshireCS4/1715

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1716

Letter from C Jenkinson to Sir Robert WilmotCS4/1717

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1718

Letter from William Wentworth, 2nd Earl of Strafford to William Cavendish, 4th Duke of DevonshireCS4/1719

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1720

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1721

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1722

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1723

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1724

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1725

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1726

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1727

Letter from Charles Watson-Wentworth, 2nd Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1728

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1729

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1730

Letter from Sir George Howard to William Cavendish, 4th Duke of DevonshireCS4/1731

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1732

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1733

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1734

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1735

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1736

Letter from Richard Newcome, Bishop of St Asaph to William Cavendish, 4th Duke of DevonshireCS4/1737

Letter from Lord Frederick Cavendish to Lord John CavendishCS4/1738

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1739

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1740

Letter from Sir George Howard to William Cavendish, 4th Duke of DevonshireCS4/1741

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1742

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1743

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1744

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1745

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1746

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1747

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1748

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1749

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1750

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1751

Letter [from Thomas Pelham-Holles, 1st Duke of Newcastle] to William Cavendish, 4th Duke of DevonshireCS4/1752

Letter from Sir George Howard to William Cavendish, 4th Duke of DevonshireCS4/1753

Letter from J Clevland to William Cavendish, 4th Duke of DevonshireCS4/1754

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/1755

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1756

Letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/1757

Letter from William Cavendish, 4th Duke of Devonshire to Richard Newcome, Bishop of St AsaphCS4/1758

Copy of correspondence between Charles Wyndham, 2nd Earl of Egremont to William Cavendish, 4th Duke of DevonshireCS4/1759

Letter from Charles Wyndham, 2nd Earl of Egremont to William Cavendish, 4th Duke of DevonshireCS4/1760

Copy letter from William Cavendish, 4th Duke of Devonshire to Charles Wyndham, 1st Earl of EgremontCS4/1761

Letter from William Ponsonby, 2nd Earl of Bessborough to William Cavendish, 4th Duke of DevonshireCS4/1762

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1763

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1764

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1765

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1766

Letter from Lord John Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1767

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1768

Letter from William Ponsonby, 2nd Earl of Bessborough to William Cavendish, 4th Duke of DevonshireCS4/1769

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1770

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1771

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1772

Letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/1773

Copy letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/1774

Copy letter from William Cavendish, 4th Duke of Devonshire to Henry FoxCS4/1775

Letter from Lord John Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1776

Letter from George Montagu-Dunk, 2nd Earl of Halifax to William Cavendish, 4th Duke of DevonshireCS4/1777

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1778

Copy letter from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1779

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/1780

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1781

Letter from Robert Woodcocke to William Cavendish, 4th Duke of DevonshireCS4/1782

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1783

Letter from William Ponsonby, 2nd Earl of Bessborough to William Cavendish, 4th Duke of DevonshireCS4/1784

Memorandum on peace treaty termsCS4/1785

William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/1786

Copy letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/1787

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/1788

Letter from Lord John Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1789

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1790

Letter from Robert Woodcocke to William Cavendish, 4th Duke of DevonshireCS4/1791

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1792

Letter from Sir George Howard to William Cavendish, 4th Duke of DevonshireCS4/1793

Letter from Lord John Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1794

Letter from William Cavendish, 4th Duke of Devonshire to Duke of CumberlandCS4/1795

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to John Manners, Marquess of GranbyCS4/1796

Letter from Charles Wyndham, 2nd Earl of Egremont to William Cavendish, 4th Duke of DevonshireCS4/1797

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1798

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1799

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1800

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/1801

Letter from JE Colleton to William Cavendish, 4th Duke of DevonshireCS4/1802

Letter from Augustus FitzRoy, 3rd Duke of Grafton to William Cavendish, 4th Duke of DevonshireCS4/1803

Letter from James Waldegrave, 2nd Earl Waldegrave to William Cavendish, 4th Duke of DevonshireCS4/1804

Letter from Welbore Ellis to William Cavendish, 4th Duke of DevonshireCS4/1805

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1806

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1807

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1808

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1809

Copy letters from William Cavendish, 4th Duke of Devonshire to Henry Fox, Prince William Duke of Cumberland, Augustus Fitzroy, 3rd Duke of Grafton and James Waldegrave, 2nd Earl WaldegraveCS4/1810

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1811

Letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/1812

Letter from Lord John Cavendish to Lord Frederick CavendishCS4/1813

Letter from William Cavendish, 4th Duke of Devonshire to Welbore EllisCS4/1814

Letter from Henry Fox to William Cavendish, 4th Duke of DevonshireCS4/1815

Letter from John Manners, 3rd Duke of Rutland to William Cavendish, 4th Duke of DevonshireCS4/1816

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1817

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1818

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1819

Letter from Robert Hay Drummond, Archbishop of York to William Cavendish, 4th Duke of DevonshireCS4/1820

Letter from Charles Watson-Wentworth, 2nd Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1821

Letter from Charles Wyndham, 2nd Earl of Egremont to William Cavendish, 4th Duke of DevonshireCS4/1822

Letter from William Cavendish, 4th Duke of Devonshire to Prince William, Duke of CumberlandCS4/1823

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1824

Letter from Charles Watson-Wentworth, 2nd Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1825

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1826

Letter from Richard Edgcumbe to William Ponsonby, 2nd Earl of BessboroughCS4/1827

Copy letter from William Ponsonby, 2nd Earl of Bessborough to Richard EdgcumbeCS4/1828

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/1829

Letter from Richard Edgcumbe to William Ponsonby, 2nd Earl of BessboroughCS4/1830

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1831

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1832

Letter from Charles Watson-Wentworth, 2nd Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1833

Letter from George Venables-Vernon to William Cavendish, 4th Duke of DevonshireCS4/1834

Letter from Richard Newcome, Bishop of St Asaph to William Cavendish, 4th Duke of DevonshireCS4/1835

Letter from Hamilton Boyle, 6th Earl of Corke and Orrery to William Cavendish, 4th Duke of DevonshireCS4/1836

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1837

Letter from William Mason to William Cavendish, 4th Duke of Devonshire and explanatory noteCS4/1838

Original manuscript of "Elegy on the Death of a Lady" by William MasonCS4/1839

Letter from William Cavendish, 4th Duke of Devonshire to Richard Newcome, Bishop of AsaphCS4/1840

Letter from William Ponsonby, 2nd Earl of Bessborough to William Cavendish, 4th Duke of DevonshireCS4/1841

Letter from Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/1842

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1843

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1844

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1845

Letter from Lord John Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1846

Letter from Charles Watson-Wentworth, 2nd Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1847

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1848

Copy letter from George Montagu-Dunk, 2nd Earl of Halifax to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1849

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1850

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1851

Copy letter from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1852

Letter from Charles Watson-Wentworth, 2nd Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1853

Letter from Charles Watson-Wentworth, 2nd Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1854

Copy letter from Charles Watson-Wentworth, 2nd Marquess of Rockingham to George Montagu-Dunk, 2nd Earl of HalifaxCS4/1855

Copy letters from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of Newcastle and George Montagu-Dunk, 2nd Earl of HalifaxCS4/1856

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1857

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1858

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1859

Letter from Lord John Cavendish to Lord Frederick CavendishCS4/1859.1

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1860

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1861

Letter from Charles Watson-Wentworth, 2nd Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1862

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1863

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1864

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1865

Letter from Sir Anthony Thomas Abdy to William Cavendish, 4th Duke of DevonshireCS4/1866

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1867

List of potential political allies in Parliament compiled by the 1st Duke of NewcastleCS4/1868

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1869

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1870

Letter from William Conner [to Sir Robert Wilmot]CS4/1871

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/1872

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/1873

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1874

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1875

Copy letter from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1876

Letter from an unknown sender to William Cavendish, 4th Duke of DevonshireCS4/1877

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1878

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1879

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1880

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1881

Letter from Edward Becher Leacroft to William Cavendish, 4th Duke of DevonshireCS4/1882

Copy letter from George Onslow to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1883

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1884

Note about reasons for John Stuart, 3rd Earl of Bute's resignationCS4/1885

Copy letter from William Pitt to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1886

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1887

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1888

Letter from Joseph Spence to William Cavendish, 4th Duke of DevonshireCS4/1889

Letter from Vere Beauclerk, 1st Baron Vere to William Cavendish, 4th Duke of DevonshireCS4/1890

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1891

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1892

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1893

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1894

Fragment of a letter from Sir Robert Wilmot [to William Cavendish, 4th Duke of Devonshire]CS4/1895

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1896

Letter from Peter Walthall to William Cavendish, 4th Duke of DevonshireCS4/1897

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1898

Letter from Lady Mary Lennox (née Bruce) Duchess of Richmond to William Cavendish, 4th Duke of DevonshireCS4/1899

Letter from William Wentworth, 2nd Earl of Strafford to William Cavendish, 4th Duke of DevonshireCS4/1900

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1901

Letter from Anthony Thomas Abdy to William Cavendish, 4th Duke of DevonshireCS4/1902

Copy letter from Philip Yorke, 1st Earl of Hardwicke to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1903

Letter from Sir Robert Wilmot to William Cavendish, 4th Duke of DevonshireCS4/1904

Copy letter from Charles Yorke to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1905

Letter from Sir Anthony Thomas Abdy to William Cavendish, 4th Duke of DevonshireCS4/1906

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to Charles YorkeCS4/1907

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to Philip Yorke, 1st Earl of HardwickeCS4/1908

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1909

Letter from Marie Françoise Catherine de Beauvau-Craon, marquise de Boufflers to William Cavendish, 4th Duke of DevonshireCS4/1910

Letter from Charles Yorke to William Cavendish, 4th Duke of DevonshireCS4/1911

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1912

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1913

Letter from Joseph-Marie-François-Justin de Viry, comte de Viry to William Cavendish, 4th Duke of DevonshireCS4/1914

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1915

Copy letter from Philip Yorke, 1st Earl of Hardwicke to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1916

Letter from Charles Watson-Wentworth, 2nd Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1917

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1918

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1919

Letter from Charles Watson-Wentworth, 2nd Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1920

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1921

Letter from William Cavendish-Bentinck, 3rd Duke of Portland to William Cavendish, 4th Duke of DevonshireCS4/1922

Copy letter from William Cavendish, 4th Duke of Devonshire to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1923

Copy letter from William Cavendish, 4th Duke of Devonshire to John Manners, Marquess of GranbyCS4/1924

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1925

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1926

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to Charles Yorke, Attorney GeneralCS4/1927

Copy letter from Charles Yorke, Attorney General to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1928

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1929

Letter from Sir Anthony Thomas Abdy to William Cavendish, 4th Duke of DevonshireCS4/1930

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/1931

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/1932

Copy letter from Philip Yorke, 1st Earl of Hardwicke to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1933

Letter from William Cavendish-Bentinck, 3rd Duke of Portland to William Cavendish, 4th Duke of DevonshireCS4/1934

Copy letter from Thomas Secker, Archbishop of Canterbury, to Philip Yorke, 1st Earl of HardwickeCS4/1935

Letter from Thomas Hay, 9th Earl of Kinnoul to William Cavendish, 4th Duke of DevonshireCS4/1936

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William PittCS4/1937

Copy letter from William Pitt to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1938

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to Prince William, Duke of CumberlandCS4/1939

Minutes of meetings with Pitt by Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1940

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William PittCS4/1941

Copy letter from William Pitt to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1942

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to Prince William, Duke of CumberlandCS4/1943

Copy letter from Prince William, Duke of Cumberland to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1944

Copy letter from Thomas Walpole to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1945

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to Charles Yorke, Attorney GeneralCS4/1946

Copy letter from William Pitt to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1947

Minutes of a meeting with Prince William, Duke of Cumberland by Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1948

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1949

Copy letter from Thomas Secker, Archbishop of Canterbury to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1950

Copy letter from Thomas Walpole to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1951

Letter from Nathaniel Curzon, 1st Baron Scarsdale to William Cavendish, 4th Duke of DevonshireCS4/1952

Letter from Charles Yorke to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1953

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1954

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to Charles YorkeCS4/1955

Copy letter from Charles Yorke, Attorney General to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1956

Minutes of conversation which passed with Mr Pitt yesterday at Hayes, by the Duke of NewcastleCS4/1957

Copy letter from George Onslow, 1st Earl of Onslow to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1958

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1959

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1960

Copy letter from William Pitt and Hester Pitt, Countess of Chatham (née Grenville) to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1961

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to Philip Yorke, 1st Earl of HardwickeCS4/1962

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William PittCS4/1963

List of "Lords thought to be sureCS4/1964

Memorandum concerning "Lords, and others, recommended to the King, for employment..." by PittCS4/1965

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1966

Memorandum on "Heads for the Duke of Devonshire tomorrow" by Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1967

Letter from William Pitt to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1968

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1969

Letter from Sir Henry Cavendish to Sir Robert WilmotCS4/1970

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1971

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1972

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1973

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1974

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1975

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1976

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1977

Letter from Lord Frederick Cavendish to William Cavendish, 4th Duke of DevonshireCS4/1978

Letter Prince William, Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/1979

Letter from David Garrick to William Cavendish, 4th Duke of DevonshireCS4/1980

Copy letter from William Pitt to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1981

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William PittCS4/1982

Copy letter from George Onslow to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1983

Copy letter from George Onslow to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1984

Copy letter from Philip Yorke, 1st Earl of Hardwicke to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1985

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1986

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/1987

Letter from Charles Watson-Wenworth, 2nd Marquess of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1988

Copy letter from Henry Bilson Legge to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1989

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to Charles YorkeCS4/1990

Copy letter from George Onslow to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1991

Copy letter from Charles Yorke to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1992

Copy letter from Jean Baptiste de Féronce to Thomas Pelham-Holles, 1st Duke of NewcastleCS4/1993

Letter from Mary Watson-Wentworth (née Bright) Marchioness of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1994

Letter from Mary Watson-Wentworth (née Bright) Marchioness of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1995

Letter from Mary Watson-Wentworth (née Bright) Marchioness of Rockingham to William Cavendish, 4th Duke of DevonshireCS4/1996

Letter from William Pitt to William Cavendish, 4th Duke of DevonshireCS4/1997

Letter from Henry Bilson Legge to William Cavendish, 4th Duke of DevonshireCS4/1998

Letter from George Canning to William Cavendish, 4th Duke of DevonshireCS4/1999

Letter from Henry Bilson Legge to William Cavendish, 4th Duke of DevonshireCS4/2000

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/2001

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/2002

Letter [from Lord Frederick Cavendish to Prince William, Duke of Cumberland]CS4/2002.1

Letter from Lord Frederick Cavendish [to Prince William, Duke of Cumberland]CS4/2002.2

Letter from Lord Frederick Cavendish [to Prince William, Duke of Cumberland]CS4/2002.3

Henry Bilson Legge to William Cavendish, 4th Duke of DevonshireCS4/2003

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/2004

Letter from David Garrick to William Cavendish, 4th Duke of DevonshireCS4/2005

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/2006

Letter from George Tissington to William Cavendish, 4th Duke of DevonshireCS4/2007

Letter from Sir Anthony Thomas Abdy to William Cavendish, 4th Duke of DevonshireCS4/2008

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to Prince Louis of BrunswickCS4/2009

Letter from Sir Anthony Thomas Abdy to William Cavendish, 4th Duke of DevonshireCS4/2010

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/2011

Letter from James Gisborne to William Cavendish, 4th Duke of DevonshireCS4/2012

Letter from John Russell, 4th Duke of Bedford to William Cavendish, 4th Duke of DevonshireCS4/2013

Letter from George Canning to William Cavendish, 4th Duke of DevonshireCS4/2014

Letter from Henry Bilson Legge to William Cavendish, 4th Duke of DevonshireCS4/2015

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/2016

Letter from Mary Lennox (née Bruce) Duchess of Richmond to William Cavendish, 4th Duke of DevonshireCS4/2017

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to John Garnett, Bishop of ClogherCS4/2018

Copy letter from Thomas Pelham-Holles, 1st Duke of Newcastle to John WhiteCS4/2019

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/2020

Letter from Thomas Pelham-Holles, 1st Duke of Cumberland to William Cavendish, 4th Duke of DevonshireCS4/2021

Letter from Henry Seymour-Conway to William Cavendish, 4th Duke of DevonshireCS4/2022

Letter from David Garrick to William Cavendish, 4th Duke of DevonshireCS4/2023

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/2024

Receipt for £1,250 from William Cavendish, 4th Duke of DevonshireCS4/2025

Letter from John Heaton to William Cavendish, 4th Duke of DevonshireCS4/2026

Letter from Richard Newcome, Bishop of St Asaph to William Cavendish, 4th Duke of DevonshireCS4/2027

Letter from Thomas Pelham-Holles, 1st Duke of Newcastle to William Cavendish, 4th Duke of DevonshireCS4/2028

Intimations given by Mr Russell of the Duchy Office to the agents of William Cavendish, 4th Duke of DevonshireCS4/2028.1

Letter from Sir Anthony Thomas Abdy to William Cavendish, 4th Duke of DevonshireCS4/2029