This fonds contains materials pertaining to the writing, planning and production of Diefenbaker’s 80th Birthday Party in 1975. Specifically, it includes handwritten and typed notes, correspondence, photographs, slides, film and audio reels, and some clippings. The film includes footage gathered and created for the event (including new interviews with John and Olive Diefenbaker) as well as the finished product as presented during the birthday gala.