Records collected by the United Reformed Church in Wales, 1868-1973, including Wood Street English Congregational Church, Cardiff, registers, 1891-1959, and roll books, minute books and accounts, 1868-1972; St John's English Congregational Church, Flint, subscription books, 1970-1973; English Congregational Union of North Wales, minutes and other papers, 1882-1970; Flintshire District English Congregational Union, minutes and other papers, 1935-1972; Montgomeryshire English Congregational Union, minutes, 1928-1973; trust deeds and legal papers, 1948-1968; Pembrokeshire English Congregational Union, meeting attendance book, 1952-1972; and miscellaneous correspondence, printed material and addresses, 1954-1972. ; church accounts, 1930-1949 ; minute book of Wood Street Congregational Church, Cardiff, 1868-1873; attendance book of Association and executive committee meetings of the Pembrokeshire English Congregational Union, 1952-1972.

An index, A-Ll, to Byegones relating to Wales and the Border Counties (Vol. I, Second Series), 1889-1890.

A draft essay entitled 'Wales, its aspects and prospects'.

Press cuttings relating to Wales and Welsh culture, such as religion, politics, literature, music, education, St. David's Day celebrations and the Eisteddfod Genedlaethol, individuals, and the National Library of Wales [1895]-[1939].

Jottings relating to matters connected with education in Wales.

Records of the Welsh Folk-Song Society, 1908-1993, including minutes, 1908-1957; correspondence, 1915-1975; reports, 1931-1957; financial papers, 1928-1953; publication material relating to the Journal, 1909-1954; executive committee and annual general meeting minutes, 1958-1993; and folk song material, including words and music collected by W. Emrys Cleaver, with related correspondence and notes, 1959-1964, and composed and arranged songs with related correspondence and notes, [1960s]. The correspondents include many prominent composers and musicians.

A further five volumes belonging to the Welsh Folk-Song Society were received. These remain uncatalogued.

Miscellanea in prose and verse, including 'News from Babel or ye Conventicle alamodu ... Vavasor Powell and his gang'; extracts from theological works; 'Rudimenta linguae Hebraicae'; lists of place names in Wales; an English vocabulary; etc.

Genealogies of Welsh families and lists of the hundreds and commotes of Wales.

Personal papers, 1926-1971, including scrapbooks, 1926-1951; programmes and posters of productions in which he acted or directed, 1936-1971; papers relating to St David's Theatre Trust; and a letter from Dylan Thomas, 1948.

Papers of the Welsh Library Association, formerly the Wales and Monmouthshire Branch of the Library Association, 1931-1987, comprising papers relating to annual conferences and general meetings, 1951-1980; papers realting to the Welsh Arts Council and Welsh Books Council, 1968-1973, and the College of Librarianship, Wales, 1969-1978; papers relating to bibliographical work undertaken in Wales, 1967-1974; financial records of the Association, 1966-1999; and papers relating to the Kathleen Cooks Bequest, 1987-1993.

Research papers of Evelyn Southall Whiting, 1689-1970, relating to the history of Quakerism in Wales and the Welsh Border, including documents, 1689-1839, relating to Quakerism; papers and notes on Quakers and Quakerism in Wales, 1875-1970; and correspondence, 1950-1969.

Records accumulated by Dr John Herbert, 1968-1984, comprising Welsh Secondary Schools Association records, minutes and papers, 1968-1984; and Headmasters' Association and Secondary Heads Association minutes, correspondence, discussion papers and related material, 1969-1984.

The file, [1881], includes articles on 'The Dean of Westminster's sermon to children' (p. 14) and 'Higher education for Wales' (p. 46).

Records of the United Missionary Council for Wales, 1921-1971, comprising minutes and papers, 1921-1966, and an anniversary address, 1971.

Papers of Frank H. Cleaver, 1924-1985, mainly accounts, including personal, family and household expenses, 1924-1985; expenses for his work in Argentina, 1929-1931; and summaries of accounts, 1949-1968.

Papers and ephemera relating to the Peace Movement, 1976-[1990s]; the Labour Party, 1975-1996; Trade Union activities, [c. 1980s]-[1990s]; the Peace and Nuclear Disarmament movement, 1976-[1990s], including the Greenham Common Peace Camp, the 'Peace Marches' from Cardiff to Greenham Common, the camp at Brawdy Royal Air Force base, Pembrokeshire, and other women's peace camps, and the Campaign for Nuclear Disarmament (CND); Nuclear Energy and Green Movement, 1973-[1990s]; feminist issues, 1958-1990; issues including animal rights, Europe, the NHS, pensions, public transport, the Poll Tax, unemployment and the United Nations, [c. 1990s]; posters relating to the activities of the various groups and societies supported by them, [c. 1980s]-[1990s], regarding numerous issues, campaigns and events, including the peace movement, the environment, human rights and the 1989 `War on Want' Benefit Concert for Central America, and correspondence with MPs, 1982-1992.

Papers of CND Cymru, 1957-1992, comprising: national and local branch minutes, strategy documents and other administrative papers, correspondence, speeches, programmes for summer schools, details of protests and conferences, publicity material, press statements, pamphlets and articles, papers relating to the National Council, reports, newspaper cuttings, information packs, and ephemera, relating to local, national and international campaigns.

Papers of John Sheringham mainly reflecting his research interests, including his research into Montgomeryshire place-names, 1980-1995, medieval Welsh history and laws, 1984-1995, and Breton history, 1988-1989; typescript notes on Welsh law, 1986-1990; typescript drafts of published works, and papers of the Machynlleth and District Civic Society, 1979-1993, and the Aberystwyth and District Civic Society, 1990-1994.

Papers of Alun-Oldfield Davies, 1928-1988, relating mainly to the artist and writer David Jones, including an original water-colour inscription, 1954; photographs of inscriptions, personalised and sent as greetings cards , 1958-1961; letters from David Jones to Alun Oldfield-Davies, 1954-1962; papers concerning the fate of David Jones's manuscripts and pictures, 1971-1976; miscellaneous items including lists of works by David Jones for exhibitions, 1972-1976, a radio talk broadcast in 1954 and articles on his life and work, 1954-1988. The additional papers comprise a copy of John Morris-Jones, Penillion Omar Khayyam (Gregynog Press, 1928), formerly in the possession of Colonel Richard C. Ruck (1887-1973), containing his manuscript annotations in Persian, Welsh and English, with letters from his widow concerning the bequest of the volume to Alun Oldfield-Davies, 1973-1974; and a notebook containing reminiscences in Welsh ('Stori fy mywyd') of the Reverend Jonathan Oldfield-Davies (1876-1960), Congregationalist minister and father of Alun Oldfield-Davies.

Scrapbooks containing press cuttings etc., 1900-1982, relating largely to Welsh drama, theatrical activities and popular entertainment in Wales and amongst Welsh communities in English cities, including material on dramatists of Wales, 1932-1953; drama in Wales, 1922-1982; Welsh actors, 1932-1946; theatre cuttings, 1931-1953; fairs, folklore and folk-dancing in Wales, 1936-1938; children's theatre, 1959-1967; Welsh National Theatre, 1900-1978; and information on theatre in Ireland, Scotland, France, Spain, Germany, Italy, Greece, Russia, America, and other countries.