General and parliamentary correspondence, 1961-1987; constituency correspondence, 1970-1987, files relating to constituency affairs, 1947-1987; files relating to the following: Welsh affairs, 1985-1987, including transport, 1959-1973; health service, 1960-1978; Welsh language and nationalism, 1966-1...

Papers of Ellis Davies, 1889-1939, comprising his diaries, journals, correspondence, press cuttings, addresses, articles and memoirs, together with printed and typescript memoranda, reports, policy documents and official publications, including relating to the disestablishment and disendowment of th...

Letters written to T. E. Ellis, 1876-1899, from correspondents including A. H. D. Acland, D. R. Daniel, Ellis Jones Griffith, Lord Rosebery and others; drafts and copies of letters by T. E. Ellis, [c. 1879]-1899; miscellaneous correspondence and papers concerning T. E. Ellis, 1886-1929; diaries, 188...

Papers of William George, Criccieth, consisting of his personal and family correspondence, diaries and notes, 1881-1960, and papers relating to his publications and public life (including political, legal, religious and Welsh cultural material), 1883-1958, together with diaries, 1881-1915, of Richar...

Papers of Stuart Rendel and family members, including papers relating to the University College of Wales, Aberystwyth, and the proposal to establish the National Library of Wales and its development during the early years of its existence, 1883-1916; speeches, addresses and political papers relating...

Papers of Arthur John Williams, 1881-1943, including political papers comprising letters, 1868-1911; papers relating to legal, electoral and land reforms, 1867-1911; papers relating to his parliamentary elections in Birkenhead and Glamorgan, 1880-1895; papers relating to South Glamorgan politics, 18...