Papers of D. A. Thomas, Viscount Rhondda, including letters to D. A. Thomas on political matters such as working conditions in the mining industry, education, church disestablishment, and the temperance movement, 1891-1910 (mainly 1891-1895); drafts and copies of letters from D. A. Thomas on similar subjects, 1891-1895; miscellaneous letters, 1893-1895; subject files, 1874-1917, on the coal industry, including the Cambrian Navigation Collieries, the Mining Association of Great Britain, the South Wales Liberal Federation, temperance and disestablishment; scrapbooks of press cuttings, 1894-1927, relating to Cymru Fydd, D.A Thomas, Merthyr politics and Keir Hardie, the Lusitania, and Lady Rhondda; miscellaneous items, 1897-1934, including genealogical material and congratulatory addresses to D.A.T.; circulars and memoranda.

Papers of Wayne David, 1979-1999, comprising Labour Party papers, 1987-1998, including correspondence, 1989-1995, publications, 1992-1996; papers relating to the environment, 1989-1994; papers relating to the European Parliament and the European Union, 1989-1994; papers relating to regional policy and European Community grants, 1990-1994; articles by Wayne David, 1990-1998; subject files of the South Wales Central constituency, 1993-1999; financial contributions files, 1993-1998; press releases and newspaper cuttings, 1989-1998; papers relating to visits, conferences and invitations, 1994-1997; recommendations and references, 1994-1998; news articles, 1997-1999; congratulatory letters, 1994-1997; papers relating to elections, 1997-1999; miscellaneous papers, 1991-1994; desk diaries; 1990-1998; telephone message books, 1994-1999; correspondence books, 1994-1998; and petty cash book, 1979-1984.