The Correspondence of Sir Roderick Impey Murchison series consists of:
- letters from Murchison to his wife, 1854 and 1857
- miscellaneous correspondence and notes (including letters to Sir Archibald Geikie) 1831-1871
- correspondence relating to Murchison's dispute with Adam Sedgwick regarding Silurian classification 1838 and 1852-1866
- assorted correspondence, arranged alphabetically, with notes and presscuttings 1827-1870
- Obituary notices, notices, memoranda and notes, 1850-1871