Scrapbooks containing press cuttings etc., 1900-1982, relating largely to Welsh drama, theatrical activities and popular entertainment in Wales and amongst Welsh communities in English cities, including material on dramatists of Wales, 1932-1953; drama in Wales, 1922-1982; Welsh actors, 1932-1946; theatre cuttings, 1931-1953; fairs, folklore and folk-dancing in Wales, 1936-1938; children's theatre, 1959-1967; Welsh National Theatre, 1900-1978; and information on theatre in Ireland, Scotland, France, Spain, Germany, Italy, Greece, Russia, America, and other countries.

Newsletters, programmes, publicity material and ephemera connected with Welsh societies in America, 1939-1985; in Canada, 1968-1985; miscellaneous North American Welsh societies, 1970-1985, including the Welsh National Gymanfa Ganu Association, 1970-1985; Women's Welsh Club of America, 1977-1984; Welsh Associated Youth of America and Canada, 1982-1985; Cymdeithas Madog, 1980-1985; and National Welsh-American Foundation, 1982-1984; further papers donated in 2005.

Business correspondence and papers, and balance sheets, 1909-42, relating to the ranches and the livestock which David Davies owned in Canada, including material concerning investment matters and the Ronda Gold Mines Ltd.