Deeds and documents relating to Trimsaran Coal, Iron and Steel Company, [c. 1861]-1872; Ynisarwed Resolven Colliery Company, 1866-1875; and Yniscedwyn Iron, Steel, and Coal Company, 1837-1875; and copies of Court Rolls of the Manor of Evenjobb, Radnorshire, 1798-1851.

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.

Transcripts, on microfiche, of the 1861 census index for the registration districts of Bridgend and Neath.

Transcripts of baptism, marriage and burial registers of churches in Glamorgan, comprising the parish churches of Penrice St Andrew, Bettws St David, the Chapelry of St Ellteyrn, Reynoldston St George, Caerphilly St Martin, Cardiff St Mary, Neath St David, Neath St Thomas, and Llandyfodwg St Tyfodwg, together with the registers for Charles Street Congregational Chapel, Cardiff, and Windsor Place Presbyterian Chapel, Cardiff.