This collection contains considerable material relating to aviation history, particularly in western and northern Canada, including material on: the Keng Wah Aviation School for Nationalist Chinese pilots; the RCAF; illustrations of the technology of flight; reference material; and microfilms of the Hudson Strait Expedition fonds (1927-1928) and "The Bulletin" (Western Canada Airways, 1929-1937). Additionally, there is material on Tweddell's other research interests, notably aerial mapping and surveying.

This fonds contains material relating to the research work, students, faculty and administration of the College of Arts and Sciences, and its departments. These records generally contain correspondence, minutes, reports, and memoranda; they may also contain material relating to associated national or international organizations, research articles, and addresses.

This fonds contains material relating to the Ukrainian community in Canada (1930-1957); the Saskatchewan Golden Jubilee committee (1953-1955); the Provincial Archives [Saskatchewan Archives Board] (1942-1947); the department of Slavic Studies (1943-1957); and the Citizenship Division, Department of National War Services (1941-1946).

This fonds contains materials relating to the professional and academic activities of Dr. Regehr. It includes considerable materials relating to his published works; and also extensively documents his University committee work.

This fonds contains material related to the research for Waiser's published works.