Papers of Edgar Leyshon Chappell, 1772-1951, including housing and public health records, 1901-1930; records relating to the South Wales Regional Survey Committee, 1920-1921; Industrial Unrest Commission records, 1904-1917; Agricultural Wages Board enquiry and research records, [c. 1918]-1940; records relating to local government and post-war reconstruction, 1891-1945; records of Melingriffith Tinplate Works, 1772-1948; papers relating to Daniel Lleufer Thomas, 1919-1941; scrapbooks, 1910-1944; and newspaper cuttings, 1896-1923.

Records accumulated by John Clement as a civil servant, 1942-1958, including records of the Welsh Reconstruction Advisory Council, 1942-1945; records relating to education and hill sheep farming, 1942-1943; papers relating to the Welsh woollen industry, 1954-1958; and records relating to the Council for Wales and Monmouthshire, 1954-1958.

A further box of papers was received August 2007. This group remains uncatalogued.