Fonds consists mainly of scenic transparency views arising from Leacock's climbs, hikes, horse and car trips in the Canadian Rockies and Selkirks from the Crowsnest Pass through Jasper National Park, ca.1939 to 1984. Also included are travels in Yukon, Canada and the United States, including Alaska. Negatives date from 1925 to 1940? and pertain to Assiniboine, Lake Louise, Banff, Banff-Jasper, Columbia Icefield and other mountain areas; also natural history, including wildflowers and wildlife. A small number of negatives are accompanied by prints. Other prints pertain to Leacock, family, events and scenic views. Textual records include letters, 1926-1986, 1 cm; diaries, 1930-1934, 1943, 2 items; scrapbooks and clippings, 1931-1936, ca.6 cm; manuscript scores of vocal and instrumental music, before 1985, 8 cm; concert programmes for which Leacock wrote the notes, 1962-1969, 37 items; other concert programmes, [ca.1945]-1986, 2 cm; writings, 1924, 1928, n.d., 4 items; other material, 1931-1987, 8 items. Diaries pertain to Leacock's personal life, giving details of musical, writing, artistic and dramatic activities; teaching and tour guiding; hikes and climbs in the Canadian Rockies; and friends, including Herbert Hahn and Stewart Cameron. Some letters are from Earle Birney, 1926-1978. Sound recordings are interviews with Leacock re his career in music, including performing, composing and teaching; also music played by Leacock.