Papers of Goronwy R. Jones, 1941-1969, including correspondence, 1941-1969, files relating to trade union activities at several collieries, 1958-1967, notes and notebooks, typescripts relating to the South Wales coal industry, 1962-1967, and printed items, 1958-1963; papers of William J. Fortt, 1958-1968, including papers relating to the South Wales coal industry and the South Wales Area of the National Union of Mineworkers, notes, drafts of speeches and press cuttings.