The fonds consists of correspondence, memoranda, notes, news clippings, scrapbooks and printed material related to Power's political and legal career. Includes minutes of the supervising Board of the British Commonwealth Air Training Plan and ministerial files collected as Minister of National Defence for Air. Also included is an indexed collection of press clippings containing both news items and editorials relating to the major political issues from 1935 to 1948.
Fonds consists of correspondence; subject files; memoranda; reports; published articles, papers, and addresses; and photographs, including a series of coloured 35 mm slides of various campus buildings, events, and scenes, taken by W.A. Mackintosh during his time as the 12th Principal of Queen's University. There are important files on the Anti-Combines Investigation Act, the 1945 Dominion-Provincial Conference, the Royal Commission on Dominion-Provincial Relations, the National Employment Commission, the Economic Advisory Committee, 1939-1944, and Queen's University.
Fonds consists of ledgers, journals, lumber records, letter books, correspondence, contracts and agreements and miscellaneous material relating to the timber-making, rafting, forwarding, shipbuilding, towing and salvaging of the Calvin Company. There is also a collection of photographs relating to both family and business.