Papers of J. Glyn Picton, 1949-1991, mainly papers concerned with his researches into General Sir Thomas Picton (1758-1815) and the Picton family, 1951-1991, including correspondence, 1949-1977; notes, 1951-1975; copies and transcripts of probate record and Pembrokeshire plea rolls; photographs and news cuttings, 1975-1984; and copies of printed sources; with also records, articles and lectures reflecting J. Glyn Picton's public service in the fields of national health and industrial relations, 1951-1977.