Sub-series contains files created in the Prime Minister's Office (PMO). Bennett was elected Prime Minister, 7 August 1930 and left office 23 October 1935. These files are arranged alphabetically by subject and contain correspondence, notes, memoranda, dispatches, clippings and other material. The files document Canada in the depression years, covering everything from the workings of government departments to the concerns of ordinary Canadians. There are extensive files on agriculture, banking, Bennett's Calgary West constituency, the civil service, communists, the Imperial Conferences of 1930 and 1932, Dominion-Provincial conferences and other conferences, elections, external affairs, finance, government departments, grain, House of Commons, immigration, Indian Affairs, judgeships, labour, national defence, the Conservative Party, Parliament, pensions, public works, radio, railways, requests for assistance, senators, speeches, statistics, tariff, trade, unemployment and waterways. There are also files on Bennett's reform attempts to combat the depression including files on unemployment insurance and health insurance. Additional files document most other aspects of government.