The fonds consists of his autobiographical manuscript, "Pioneers and Pioneering in Western Canada" (1963); correspondence, notes and reports he compiled for Glenbow related to Alberta agriculture and irrigation (1894-1964); films related to a wide variety of agricultural topics (ca. 1920-1955); photographs of agriculture and agricultural personalities (1884-1959); and excerpts from the 1885 Riel Rebellion (North West Rebellion) diary of his father, Charles Longman.