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

This series contains the manuscripts of John Diefenbaker’s speeches as well as background material, drafts, suggestions from staff, and annotated delivery copies.

This series contains posters, used mostly in John Diefenbaker’s political campaigns.

This series contains motion picture film, video tape, phonograph records, and audio tape, and constitutes the sound and moving image records kept by Diefenbaker.

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

This series contains photographs and slides belonging to John Diefenbaker and his family. It includes many professional portraits of Diefenbaker and his second wife Olive. There are some historic photographs collected as a result of Diefenbaker’s interest in Canadian history and Sir John A. Macdonald.

This series contains press clippings on a wide variety of Canadian and international social and political topics which John Diefenbaker collected.

This series contains those files which appeared to have been removed from their original order or created specifically for use in writing John Diefenbaker’s memoirs. It also contains correspondence about the memoirs project, notes, and drafts of the memoirs, One Canada. There are notes and annotations in Diefenbaker’s hand throughout this series.