The fonds consists of correspondence, certificates, speeches, essays, programs, menus, books, log books, manuals, posters, scrapbooks, newsclippings, photo albums, loose photographs and maps related to the Princess Patricia's Canadian Light Infantry and Hamilton Gault's life and his service with the Regiment. Correspondents include Raymond Pelly, Percival Campbell, Princess Patricia (Lady Patricia Ramsay), Agar Adamson, G.R. Pearkes, Prince Arthur (Duke of Connaught), Kate Blackader, Georges-P. Vanier, Ralph Hodder-Williams, Hugh Niven, J.G. Edmonds, Hugh Dyer, M.R. TenBroeke, Cameron Ware, and Sir Adrian Cartion de Wiart. Includes photographs of Hamilton Gault's funeral, correspondence of Dorothy Gault, records of Hatch Court Museum (1972-1995), and research documents collected by Jeffery Williams. Includes files on the Hamilton Gault Skill-at-Arms Trophy, the Hamilton Gault Memorial Fund, and the naming and ascent of Mount Hamilton Gault. Includes collected personal papers of LCol D.H. Rosser, LCol Agar Adamson, and Capt. Talbot Papineau. .