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

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 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 reference material collected by John Diefenbaker and his staff from 1940, when he was elected to Parliament, to 1957, when he became Prime Minister. A wide range of political and social subjects, both Canadian and international, are present.

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.

This subseries contains correspondence about publishing John Diefenbaker’s memoirs. It includes correspondence with publishers, possible biographers, and Diefenbaker’s assistants and friends.

This subseries contains correspondence, notes, and drafts for Burton Richardson’s Those Things We Treasure, and a selection of Diefenbaker’s speech notes.