Papers of Arthur Pugh, including personal correspondence, [1930s]-[1980s]; personal papers, including school exercise books, diaries, notes for speeches, papers relating to the membership of various societies; miscellaneous family papers, [19th century]-[20th century], including documents relating to property in Tre Taliesin and probate records, 1857-1978; letters to his parents Sophia and William Pugh, [1890s]-1959; correspondence and personal papers of his sisters Ceridwen Jones and Laura Lauder, 1915-1985; papers compiled by Arthur Pugh relating to the history of Llangynfelyn and district, 1897-1981; and financial and administrative records of Rehoboth CM Chapel, 1886-1958.

Papers of Charles Davies, including scrapbooks, 1880s, personal and family papers, 1880s-1950s, academic notes, [c.1918]-1953], correspondence, 1918-1953, personal journals, [?1920s]-1940s, literary papers, [c.1920]-1953, printed material, [1920s]-[1940s], testimonials, 1920-1947, financial papers, 1924-1953, and papers of Dr Constance Bullock-Davies, including school and college notes, [1910s]-[1920s], manuscript drafts of short stories, poems and essays, [1920s]-[1930s], testimonials, 1921-1936, correspondence, 1925-1967, and household accounts, 1931-1934.

Papers of W. Watkin Davies including diaries, 1904-1973; letters from family and friends, 1895-1926; letters relating to his work, [c. 1932]-1971; typescripts and manuscripts of unpublished works including Lloyd George, 1914-',Woodrow Wilson' and 'Men and Movements in American History' and an autobiographical work, `Wales of my Youth', [1907x1973]; lectures, articles and notes, [1910]-1933; personal papers relating to his career and private life, [c. 1915]-1946; notebooks, 1922-1953; family papers, 1890-1935; and letters, pictures and other material relating to David Lloyd George, 1887-1971.