Family and personal papers of Marion Warren Williams, 1864-1991, including scrapbooks containing notes, newspaper cuttings and printed ephemera, mainly relating to Guilsfield and Welshpool, Montgomeryshire, 1864-1991; travel notebooks, 1959-1969; family photographs, [c. 1900], and family tree opf Mrion Warren Williams, [20th century]; and watercolour sketches [20th century].

An account by 'Mr M-' [Thomas Martyn], illustrated with a few water-colour sketches, of a journey from London to South Wales in August 1801.