Brit. Emp. s. 16
- Various photographs and miscellaneous printed material, nd.
Brit. Emp. s. 17
- Mounted photographs taken by Sir John Harris (the Society's Organising Secretary, 1910-1934) and his wife in the Congo and San Thom, for exhibition purposes, 1911-1912
Brit. Emp. s. 18
- Correspondence of officers and committee members of the Committee on Slavery and the British and Foreign Anti-Slavery Society, and of secretaries of the National Freedmen's Aid Society, [1827-1934]
- Correspondence of the secretaries and one treasurer of the Aborigines' Protection Society until 1909
- Correspondence of minor or untraceable members, and anonymous fragments of letters, 19th-20th century
- Official letters to officers of the several societies, nd.
Brit. Emp. s. 19
- Correspondence, including of Travers Buxton (the Society's Secretary, 1898-1934) and Sir John Harris, 1899-1940
- Letter-books, mainly of Sir John Harris, from the Congo, 1902-1925
- Correspondence, mainly of C.W.W. Greenidge (the Society's Secretary to 1956 and Director to 1968), 1941-1951, with letters from Government departments, 1939-1953
- Letters received by officers of the Society, 1925-1950
- Carbon copies of letters sent by the Society, 1940-[1947]
- Letters received by officers of the Society, and carbon copies of letters sent by them, 1950-1961
- Minutes, correspondence, journals, and financial and other papers relating to the running of the Society, 1918-1961
- Chairmen's correspondence, 1944-1967
- Correspondence, articles, memoranda, reviews and broadcasts by C.W.W. Greenidge, with items of personal interest, 1957-1962
- Correspondence with Presidents, Vice-Presidents and Committee members, 1961-1968
- General correspondence of the Secretary and his assistants, 1955-1962
- Correspondence, 1961-1972
- Letters exchanged with correspondents in the U.S.A., [1966-1968]
- Correspondence with and representations to the Foreign and Colonial Offices, 1963-1970
- Papers relating to the management of the Society, [1902-1974], including records of annual meetings, 1955-1971, papers concerning publicity, public relations and membership, 1959-1972, financial papers, [1902-1974]; illustrations for Uncle Tom's Cabin by Harriet Beecher-Stowe (Boston, John P. Jewett&Company, 1852)
- Letters received and sent by officers of the Society, [1944-1977]
- Secretary's miscellaneous correspondence, draft letters, memoranda and notes, with material used in meetings and press cuttings, 1967-1977
- Papers relating to the management of the Society, 1963-1965
- Correspondence concerning advertisements and notices placed by the Society in journals and other publications, 1963-1980
- Financial papers, including papers relating to premises rented by the Society, 19th-20th century
- Papers relating to newspaper articles and letters, books and other publications containing material on slavery, [1962-1979]
Brit. Emp. s. 20
- Letters received by the Secretary and Trustees of the Mico Charity from schools that the Charity had established in the West Indies, 1835-1842
- Minutes of the British and Foreign Anti-Slavery Society and its predecessors, 1823-1935
- Minutes of the General Convention for Anti-Slavery, 1840
- Memorials and petitions, 1839-1853
- Out-letters of the British and Foreign Anti-Slavery Society, 1869-1899
- Account books, cash books and ledgers of the British and Foreign Anti-Slavery Society, 1846-1850, 1866-1868, 1898-1909, the Aborigines' Protection Society, 1907, and the combined Society, 1909-1941
- Rough minutes of the British and Foreign Anti-Slavery Society, a register of the Society's committee, a note book belonging to Frederick Tuckett, one of the Aborigines' Protection Society's committee members from 1865, and minutes of Miss Catherine Impey's Society for the Recognition of the Brotherhood of Man in Somerset
- Letters of the trustees of the Mico Charity, c1839-1842
- Minutes, 1935-1965
- Account books and ledgers, 1937-1973
Brit. Emp. s. 21
- Receipt files, 1920-1941, counterfoil books, 1925-1935, 1938-1941, paying-in books, 1925-1940, cheque books and balance sheets, 1924-1940, and miscellaneous cheques, 19th century
- Receipt counterfoil books, 1964-1973
Brit. Emp. s. 22
- 19th-20th century papers arranged by territory and by subject
Brit. Emp. s. 23
- Various papers of the Committee for the Welfare of Africans in Europe, including out-letters, 1919-1941, and financial accounts and reports, 1921-1944
Brit. Emp. s. 24
- Press cuttings, printed papers and photographs, [1881]-1978
Uncatalogued papers, 1972-1981
- Files of topics of special interest, arranged by territory
- Proceedings, etc. of annual general meetings
- Articles
- Regional correspondence
- Papers relating to forms of slavery
- Chairmen's papers
- Correspondence of General Committee, Presidents and Vice-Presidents
- Papers of foundations and charitable trusts
- General enquiries
- Directories and records related to advertising
- Cash books
- Papers relating to connections with the Foreign Office
- Publications
- Appeals
- Records relating to fund-raising
- Records of meetings, seminars and conferences
- Historical files relating to abolitionist families
- Records of exhibitions and celebrations
- Membership records
- Records relating to Parliament
- Papers of non-governmental organisations concerning the Congo
- Records relating to the Society's offices
- Records relating to overseas societies
- Records relating to specific projects
- Anti-Slavery International research reports
- Administrative papers, from c1960
- Papers relating to non-governmental organizations
- Submissions made to United Nations bodies
The Anti-Slavery Society Pictorial Collection
- Glass negatives, lantern slides and printing blocks, various related scenes, persons and locations