Papers and correspondence of Robert Silyn Roberts and his wife Mary Silyn Roberts, 1888-1965, including correspondence 1904-1965, including papers relating to the establishment and early development of Coleg Harlech, 1926-1928.
Roberts, R. Silyn (Robert Silyn), 1871-1930.
Papers of David Thomas Guy, 1912-1975, including papers relating to the Workers' Educational Association, 1920-1973, in particular of the South Wales District; minute book of Cardiff Printers Ltd, 1946-1973; papers relating to the University of Wales, 1973-1975, and Coleg Harlech, 1971-1975; papers of the Welsh Advisory Committee of the British Council, 1971-1973; appointment diaries, 1939-1973; and bibliographical notes, press cuttings, photographs and personal memorabilia, 1948-1970.
Guy, D. T. (David Thomas), 1905-1976.