This series contains John Diefenbaker’s correspondence while Prime Minister, both incoming and outgoing, which was filed by his office staff. Together with the correspondence in MG 01/VI PMO Numbered Correspondence, it comprises the whole of Diefenbaker’s correspondence during the period, excluding that with his family. It contains correspondence with members of his cabinet, the Civil Service, other politicians, foreign leaders, personal friends and advisors, and the general public, all arranged in the same series of subject files. The topics covered include almost all the political and social questions of the period.

This series contains office diaries, itineraries, telephone lists and similar material used by Diefenbaker’s staff.

This series consists primarily of those files deemed too sensitive for processing in Diefenbaker’s regular office filing system due to political, personal or security considerations. VIP letters and other documents which Diefenbaker particularly valued are also included. Inter-filed with both categories of material is a body of more mundane documents which Diefenbaker and his staff wanted close at hand for a variety of reasons.

This series contains correspondence, clippings, memoranda, reports, speech material and memorabilia generated during Diefenbaker’s second term as Leader of the Opposition from April 1963 to September 1967.

This series contains the press releases issued when Diefenbaker was Prime Minister and Leader of the Opposition (1963-1967).

This series contains the correspondence and reference material created and accumulated by John Diefenbaker’s office from the time he ceased being Leader of the Opposition until his death.

This series contains scrapbooks of press clippings, photographs, printed ephemera, and letters compiled by Diefenbaker and his staff.