This series contains incoming and outgoing correspondence between Judith Fitzgerald and others. Some photographs are also contained in the files. The files include correspondence between Fitzgerald and friends; correspondence regarding work-related matters between Fitzgerald and various record labels, radio stations, magazines, newspapers, and music festivals and events; and correspondence with musicians and bands that Fitzgerald did research on and wrote about. This series covers letters, postcards, and greeting cards. This series is mostly located in Container 9, with files also in Container 1, 2, 3, 5, 6. Some files in Series 2, 4, and 5 also contain correspondence (please see the file descriptions).

This series consists of works by other authors, both translated and not translated.

The Clippings series contains clippings, articles and reviews from newspapers, journals and magazines concerning performances of Pedersen’s compositions as well as McGill University Records.

This series consists of correspondence relating to Jackrabbit's l00th birthday in 1975. It includes telegrams from Gerald Ford, Pierre Trudeau and others as well as assorted fan mail.

This series consists of various listings of the musical pieces composed by Sonde, including date of composition, composer and date and location of the event where the music was played.

The Projects and Consultations series contains research and documents pertaining to projects and consultations conducted by Paul Pedersen, which were not part of his duties as professor or dean at McGill University or the University of Toronto. The series is arranged alphabetically by subject title, as indicated.

This series consists of copies of the correspondence with agencies and others concerning Sonde musical pieces, performances and recordings.

This series consists of photographic negatives.

This series consists of paper media clippings of events.

Series contains materials related to AOS special projects, including procuring a bust of William Osler, a survey on the American Osler Society, and a synopsis of presentations given at American Osler Society. Series includes correspondence, questionnaires, drafts, working notes, compilation, graphics, a membership list, a synopsis, a presentation, a compendium of the world’s Oslerian society presentations with rare annotations and a brief history of the various Oslerian clubs. Also includes a subject index to American Osler Society Presentations.