The collection consists of correspondence, reports, memoranda, etc., related to Alberta's oil and gas industries.

• The fonds consists of correspondence, primarily about collections (1911-1936), an accessions register (1928-1929), and visitors books (1928-1933).

The fonds consists of architectural plans by Millar, photographs of the Millar family and Calgary views, and miscellany.

• The fonds consists of correspondence, speeches (including radio broadcasts), electoral maps, scrapbooks and minutes.

• The fonds consists of national office and executive minutes and correspondence; and Alberta organization and constituency correspondence, business and financial reports, memberships reports, and radio and television broadcast scripts; also includes recorded speeches by M.J. Caldwell, Aylmer Liesemer and I.V. Macklin.

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.

• The fonds consists of Orders, Part II regarding personnel in various military formations, field batteries, brigades and regiments.

The fonds consists of correspondence regarding Luxton and Glenbow acquisitions and displays (1947-1969), and inventories of artifacts (1957-1966); and photographs, invoices, licences, calendars, articles and miscellany collected for Glenbow by Cathcart (1860-1969). Includes Cathcart's personal correspondence and notes (1931-1974), recorded interview about his life (including transcript), postcards, greeting cards, scrapbooks, newspaper clippings, photographs, a film and miscellany.

The fonds consists of articles of association and bylaws (1882-1964); minutes (1882-1965); annual reports (1883-1968); legal documents and agreements (1882-1914); shareholders' records (1882-1966); records of townsite sales (1882-1910); records of farmland sales (1882-1968); applications and contracts with individual purchasers (1917-1934); registers of deeds transfers (1883-1977); some land examination records (1913-1927); correspondence of the Land Commissioner, especially Virginie Smith (1887-1977); financial records including cashbooks, journals and ledgers (1882-1968); and records related to mineral rights and oil and gas leases (1930-1969). Includes records of the company's affiliate, Western Provinces Land Company (1925-1969).

The fonds consists of administration files pertaining to MAA locals, Metis history, government relations, meetings and conferences, the native Council of Canada, cultural heritage, housing, projects and programs, education, communications, other organizations, correctional institutes, land, recreation, environment, health and welfare, and economic development (1968-1978); personal files of various MAA employees (1969-1978); videos of meetings, workshops and special events (1967-1977); and audio recordings of meetings and workshops (1969-1973).