Section 1: Yearbooks, periodicals and minutes of the Welsh Baptist Union
1. Yearbooks, annual reports and periodical publications by the Welsh Baptist Union, 1926-date
2. Minutes of the annual meeting of the Baptist Union of Wales and of the Joint Council and committees, 1902-1998
3. Minutes of the directors of the Welsh Baptist Union Corporation Limited, 1928-1957
4. Minutes of the council and annual meeting of the English Assembly of the Baptist Union of Wales and Monmouthshire, 1922-1996
5. Minutes of the Baptist Bookroom Limited
Section 2: Records relating to the Welsh Baptist Assurance Trust/Company Ltd., 1888-2004
A 1. Minutes, 1888-1956
A 2. Records of directors of the Welsh Baptist Assurance Trust, 1902-1918
A 3. Annual returns and lists of shareholders, 1914-2004
A 4. Records relating to shares, share transfers and the payment of dividends, 1888-1987
A 5. Annual accounts and returns, 1890-2001
A 6. Account books, 1888-1991
A 7. Records relating to war damage insurance, 1941-1944
A 8. Files containing share certificates and items regarding the company's constitution, 1892-1988
Section 3: Records relating to the Baptist Building Fund for Wales
B 1. Minutes and annual reports, 1864-1957
B 2. Loan records, 1863-2006
B 3. Ledgers and cash books, 1862-2006
B 4. Records relating to the jubilee of the Baptist Building Fund for Wales, 1912
B 5. Records relating to the Century Loan Fund
Section 4: Records relating to pensions and to the financial support of ministers, 1922-1998
P 1. Registers of sustentation grants for the support of chapel ministers, 1922-1981
P 2. Records relating to the Ministerial Pension Fund Appeal, 1974-1991
P 3. Records relating to pensions
Section 5: Additional items relating to the activities of the Welsh Baptist Union, 1885-1989
X 1. Records relating to newspapers, publications and research, 1885-1989
X 2. Pictures and items for display, 1898-1920s
X 3. Records relating to Ilston Baptist Church, Parkmill, 1913-1946