Papers of J. L. Williams, MP, including correspondence, 1950-1979; student essays, 1919-1920, and lecture notes; articles, letters and notes for speeches, [1945]-[1951]; press cuttings, mainly from the Cambrian News, relating to local history, 1920-1976, and from Forward, 1929-1952, including articles written by JLW; press cuttings and ephemera relating to the general elections of 1945-1955 and to various local elections at Glasgow, 1937-1951; extracts from Hansard, 1945-1949; and essays submitted for eisteddfod competitions, 1924-1960.

Papers, 1886-1968, of the Lloyd George family. The collection is comprised mainly of correspondence, the bulk of which is addressed to David Lloyd George, mostly from contemporary political figures and from members of his family. The political correspondence relates largely to Welsh affairs, including Disestablishment, the Welsh Church Commission, education and the investiture of the Prince of Wales in 1911, as well as to the Irish Question and the First World War. David Lloyd George's family correspondence includes letters, [c. 1886]-1941, between David Lloyd George and his wife Margaret, from David Lloyd George to his uncle Richard Lloyd, 1890-1916, and to David Lloyd George from his brother William George, 1891-1915; other family correspondence includes letters to Margaret Lloyd George, 1893-1939, from various correspondents, and from Margaret Lloyd George mainly to her daughter Olwen Carey-Evans, 1917-1939; correspondence and papers of Megan Lloyd George, daughter of David and Margaret Lloyd George, including letters, 1939-1957, to and from Labour politician Philip Noel-Baker and from other correspondents, 1910-1966, including her parents, together with a tour journal, 1923-1924, and diary, 1947, and correspondence and papers, 1914-[c. 1963], of Gwilym Lloyd George, son of David and Margaret Lloyd George, including a typescript draft, [c. 1960]-1962, of his (unpublished) autobiography; together with speech notes, notebooks and miscellaneous papers, [c. 1904]-1939, of David Lloyd George, and correspondence and papers, 1898-1909, relating to Mair Eluned Lloyd George, daughter of David and Margaret Lloyd George.

Papers of Charles Arthur Uryan Rhys, 8th Baron Dynevor (1899-1962), including papers relating to his military experiences in Archangel, North Russia, 1919; a diary giving his account of a Government mission to West Africa, 1926; his election leaflets as Conservative candidate for the Romford Division of Essex, 1923, 1929, and North Islington, 1945; copies of daily letters, 1928-9, to the King, typed by him as Parliamentary Secretary to the Prime Minister Stanley Baldwin, 1927-9; together with letters, 1914-41, of his mother Lady Margaret Dynevor (1875-1959) written by members of her family

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 to disestablishment of the church in Wales and the 1889 Intermediate Education Act, 1882-1909; press cuttings, 1881-1913; photographs, 1892; miscellaneous letters, 1878-1912; letters to Stuart Rendel, 1853-1912, including letters from A. C. Humphreys Owen, 1877-1905, family letters, 1853-1902, and letters from prominent political figures and Welsh public figures; letters and copies of letters from Rendel, 1880-1912; diaries, mainly recording details of Stuart Rendel's business activities, 1863-1869; notes of conversations with W. E. Gladstone, John Morley and H. H. Asquith, 1888-1910; papers relating to Chinese affairs and French and Chinese peace talks, 1884-1886; papers of James Meadows Rendel, including letters, 1828-1856, and papers relating to his estate, 1856-1859; letters of Catherine Jane Rendel, 1845-1855; letters and papers of George Wightwick Rendel, 1871-1902; papers relating to Rendel's other brothers, 1841-1889, and his daughters, 1882-1910; letters and papers of Harry Stuart Goodhart-Rendel, 1898-1959, and other papers concerning him, 1963-1977; papers, mainly letters, of the Goodhart family, 1819-1957; papers of Miss Rosemary Rendel, 1986-1996; papers of Sir George William Rendel, including: Foreign Office papers, 1917-1967, correspondence, 1912-1973, papers relating to the Catholic Union of Great Britain, 1942-1979, lectures, diaries and notes, 1915-1954, personal and family papers, 1908-1980, and material relating to the book The Sword and the Olive (1957), 1954-1986.

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 Richard Lloyd ('Uncle Lloyd'), and a considerable amount of correspondence and other papers relating to members of the George family, the Lloyd family and the Lloyd George family, 1766-1981. Of particular interest is a very substantial group of papers of David Lloyd George, including: correspondence with William George, mostly 1886-1918; diaries, 1878-1892; letters from prominent politicians, 1879-1913; other letters, including many to family members, 1883-1928; letters from his secretaries, 1906-1963; and working drafts and notes in preparation for his speeches.