Records, c1725, 1799-1986, of the United Society for Christian Literature (USCL) and its predecessors, including the Religious Tract Society, comprise:

Executive Committee minutes for the RTS, 1799-1935 (some gaps) (Ref: USCL 1-113), continued under the USCL, 1935-1953 (Ref: USCL 113-122), and other minutes, including copyright, finance, and local associations, for the RTS, 1806-1935, and USCL, 1935-1972 (Ref: USCL 123-149, USCL Add 6, 15, 19-22);

copies of outgoing RTS letters, 1824-1889 (Ref: USCL 150-195); miscellaneous correspondence of the RTS, 1824-1847 (Ref: USCL Add 23-26);

annual reports for the RTS, 1820-1935 (many gaps) (Ref: USCL 311-336, USCL Add 34), USCL, 1935-1962 (Ref: USCL 337-357, USCL/S 69-72, 99-103, USCL Add 38), and RTS (China), continued under the USCL, 1884-1947 (Ref: USCL 366-376);

ledgers and accounts, 1836-1952 (Ref: USCL 196-231);

papers of the RTS, succeeded by the USCL, relating to copyright, 1825-1835 (Ref: USCL Add 1-2); reports of sub-committees on anti-popery, 1839, and new warehouses, 1844 (Ref: USCL Add 3-4); salaries books, 1851-1938 (Ref: USCL Add 5); letters, report and pamphlet relating to the Assam mission, India, 1857-1859 (Ref: USCL Add 7); legacies book, 1911-1986 (Ref: USCL Add 11); USCL register of members, 1946-1963, also including declarations of employee names, 1948-1972 (Ref: USCL Add 16); USCL papers concerning premises in Lusaka, Rhodesia, 1949-1955 (Ref: USCL Add 17); reports on USCL officials' visits to India and Ceylon, Northern Rhodesia, and Zambia, 1950-1969 (Ref: USCL Add 18); papers documenting USCL history, 1927-1976 and undated, including notes, chronology, printed material, and photographs, including the fire damage of 1941 (Ref: USCL Add 64-71);

RTS and USCL printed tracts, c1920-c1950 (Ref: USCL 400-401); annotated listings of RTS publications, 1842-1859 (Ref: USCL Add 39); RTS publications, 1822-1934 and undated (Ref: USCL Add 41-57); USCL publications, 1935-1962 and undated (Ref: USCL Add 57-62); miscellaneous publications, c1725, 1816-1960, including some on the work of the RTS but also including other publications, some by the Society for Promoting Christian Knowledge (Ref: USCL 377-399, USCL Add 40, 63).

There are also records, 1858-1950, of the Christian Literature Society (CLS) for India (and Africa) and its predecessor; and records, 1885-1977, of the UCSL (Scotland) and its predecessors.

Records, 1920-1963, of the Christian Literature Bureau for Africa and its succession by the ICCLA (International Committee on Christian Literature for Africa, part of the International Missionary Council), comprising early papers, 1920-1929, including correspondence; minutes, 1929-1958; records of the American Section, 1924-1959; accounts and related papers, 1928-1958; finance papers, 1948-1959; policy papers, 1929-1959, including its winding-up; papers relating to personnel, 1947-1956; papers relating to Secretarial travel by Margaret Wrong and C de Mestral in Africa, Europe and north America, 1933-1959; photographs of West Africa, 1933, and Southern Africa [1936]; papers of Margaret Wrong (Secretary), 1935-1947, including notes for addresses, reviews, articles on subjects including colonial development, personal photographs, letters, and papers, 1949-1965, relating to her death (c1949) and memorial fund; reports, surveys, etc, 1923-1957; papers relating to Books for Africa series and to Listen, 1931-1963; papers relating to the publication Daystar, 1948-1957; lists of books received, especially vernacular, 1930-1957; African language publications, 1930-1951; papers relating to Christian literature for Muslims, 1932-1959; papers relating to school service book, 1938-1953; manuscripts received, 1933-1957; papers relating to hymns publication, 1957-1963; papers relating to literacy [1935]-1959; papers on territorial series, 1927-1959; complete set of Books for Africa series, 1931-1963; complete set of Listen, 1932-1957; series (some incomplete) of published works: Little Books for Africa, African Home Library (comprising texts on the Bible and Christian faith, biography, allegories and stories, family, health and land, government and industry, countries and customs, science and education), and the French edition Bibliotheque de la Famille Africaine, and African Features; specimen periodicals published in Africa, 1950s; card index to titles for Books for Africa books reviewed and card index to titles and authors in the ICCLA library.

Notebooks of William Dawes, one dated 1790, comprising grammatical forms and vocabularies of the language spoken in the neighbourhood of Sydney, New South Wales; short vocabularies of the language of natives of Van Diemen's Land, collected by the officers of the French frigates La Recherche and L'Espérance in 1793.

Records, 1858-1950, of the Christian Vernacular Education Society (CVES) for India, from 1891 the Christian Literature Society (CLS) for India (and Africa from 1923), comprising minutes, 1864-1935 (Ref: USCL 232-250); copies of outgoing letters, 1859-1931 (Ref: USCL 251-306); correspondence of the CVES, 1858-1862 (Ref: USCL Add 27-31), and CLSI, 1892-1900 (Ref: USCL Add 32-3); press cuttings on its work, 1858-1871 (Ref: USCL 308-10); annual reports, 1859-1928 (many gaps) (Ref: USCL 358-365, USCL Add 35); Baptist Missionary Society minutes, 1859, relating to a CVES letter concerning scholarships for theological students (Ref: USCL Add 8); minutes of the Society for Promoting Female Education in the East, 1859 (Ref: USCL Add 9); papers on the CVES/CLSI Madras depot, 1873-1910 (Ref: USCL Add 10); document on CLSI mergers in Madras and Calcutta, 1922-1924 (Ref: USCL Add 12-13); Calcutta Christian Tract and Book Society annual report, 1922-1923 (Ref: USCL Add 36); draft deeds and correspondence concerning CLSI premises in Madras, 1930 (Ref: USCL Add 14); miscellaneous papers of the Madras branch, c1900-1950 (Ref: USCL 307).

Programmes, press cuttings, articles and transcripts relating to the composer Anthony Milner, used by James Siddons in his Anthony Milner: a Bio-Bibliography (Westport, CT, 1989), comprising scrap books of reviews of Milner's music and articles by or on Milner, 1951-1960; press cuttings relating to Milner's liturgical compositions in regard to the introduction of English in the Roman Catholic liturgy, and Milner's views of the translation of the order of mass into English, 1964-1970; music programmes (with some reviews) of concerts featuring Milner's works, 1958-1985; reviews and press cuttings of Milner's work and performances, c1958-1979; brief biographical notes on Milner, and schedules and itineraries of his lecture tours of Canada and USA, 1964-1985; transcript of 'Anthony Milner on his 50th birthday', a talk on 'Music weekly', BBC Radio 3, by Hugh Wood, 11 May 1975; 'Anthony Milner - a comment on his work' typescript article by Stephen Dodgson (MS 5866). Three published articles by Milner, with covering to Sir Keith Falkner, on the problem of the vernacular in the Roman Catholic liturgy, 'Music in a vernacular Catholic liturgy' paper read to the Royal Musical Association, 4 Jan 1965; 'The instruction on sacred music', Worship vol 41 no 6 Jun-Jul 1967; 'Music and liturgy', The Month, 1965-1966 (MS 6995)

Joint archive, largely dating from 1910-1945, of the International Missionary Council and Conference of British Missionary Societies, relating to co-operative missionary endeavours in Africa (chiefly British Africa, but also including areas under Belgian, Portuguese and French control).

General files on Africa include records on missionary work and related issues including land rights, colonial administration, diet, co-operative organizations, customs including polygamy, initiation, and witchcraft, medical work, and alcohol traffic; the IMC and its relation to African mission councils; International Institute of African Languages and Cultures; population and health in Africa; Africa Education Group, relating to educational policy, provision and finance, including women's education, training of educational missionaries, African marriage customs and their relation to Christian practice, adult education, and missionary work in rural areas; High Leigh (Hoddesdon, Hertfordshire) Conference (1924) on educational missionary work in Africa; Le Zoute Conference (1926) on missionary work in Africa; educational policy; Advisory Committee on Education in the Colonies, relating to Colonial Office policy (including British colonies outside Africa), the topics including women's education, use of the vernacular and bilingualism, teacher training, language teaching, social and economic development, finance, indigenous art, biology, superannuation, English examinations, and higher education teaching materials, with sections relating to particular African colonies.

Files on East Africa include general records on British colonial policy and administration, agriculture, and Swahili; and education in East Africa. Files on Kenya include records on the Kenya Missionary Council and Christian Council of Kenya; the political situation and land question; indigenous labour and slavery; Indian population; and educational policy, practice, finance, the conscience clause in religious education, women's education, and educational advisor; and correspondence on missionary work and related issues. Files on Tanganyika include records on the Tanganyika Missionary Council, relations between different missionary societies, indigenous life, colonial administration, German and other missions; Tanganyika Mission Property Trust; and education in Tanganyika. Files on Uganda include records on land tenure, education, including women's education, and Swahili; and missionary societies in Ruanda-Urundi. Files on Abyssinia comprise records on missionary work and religious freedom, including the Italian occupation.

Files on West Africa include general records on education, including the Phelps Stokes Commission. Files on the Gold Coast include records on education, colonial administration, the Basel Mission, the Bremen Mission and other missionary societies, the Christian Council of the Gold Coast, medical and educational missionary work. Files on Sierra Leone include records on education. Files on Nigeria include records on the Christian Council of Nigeria and other Christian and missionary organisations and on education. Files on the Cameroons include records on various missionary societies. Files on French Africa include records on education.

Files on French West & Equatorial Africa include records on missionary activity and education. Files on the Congo include records on the Congo Protestant Council, missionary activity and conferences, religious freedom and interdenominational relations including Roman Catholicism; Belgian government policy regarding missions and the Brussels Bureau representing Belgian missions; education; and missionary work of various nations.

Files on Portuguese Africa include records on missionary work, including medical work, and interdenominational relations; religious liberty, Portuguese government policy, and the Lisbon Centre for liaison. Files on Portuguese West Africa include records on the Angola Evangelical Alliance, Portuguese colonial administration, and various missionary societies. Files on Portuguese East Africa include records on the Portuguese East Africa Evangelical Missionary Association, work of various missionary societies, religious liberty and Portuguese government policy.

Files on Central Africa and Nyasaland include records on colonial administration, work of missionary societies, land tenure, indigenous labour and slavery, and on colonial educational policy in Nyasaland. Files on Northern Rhodesia include records on the General Missionary Conference of Northern Rhodesia, colonial administration, mining, and education; and on the United Missions in the Copperbelt, including its foundation, policy, annual reports, finance, miners' unrest, property, education policy, women's work, social welfare, literature and literacy, British Committee, correspondence with other societies, reorganisation, Team/Field Committee, and personnel. Files on Southern Rhodesia include records on the South Rhodesia Missionary Conference, indigenous affairs including land tenure, education, indigenous preachers, and colonial administration. Files on South Africa include records on the General Missionary Conference of South Africa and the Christian Council of South Africa, missionary work, indigenous affairs including land tenure, interethnic relations, and education. Files on South and South West Africa includes records on German missions and indigenous affairs. Files on the protectorates of Swaziland, Basutoland and Bechuanaland include records on education and the transfer of the protectorates to South Africa.

There are also files on the Egypt Mission Property Trust.