The fonds consists of Ann Diamond's manuscripts and literary archives.

The Tundra Books fonds contains a collection of archival records documenting Tundra's publishing history. It includes correspondence with Tundra authors and artists, most notably with William Kurelek. Parts of the archival material document the development and production of each title and May Cutler's dealings with government and funding agencies. The archival materials document a significant chapter in Canadian post-war publishing history.

The fonds documents Swain's career at the Deputy Minister of Indian and Northern Affairs Canada, including his role in the standoff at Oka, Quebec, in 1990. One series also consists of research materials collected during the writing of Swain's 2010 books, Oka: A Political Crisis and its Legacy.

Fonds consists of primarily financial and legal records related to property transfers and the estates of members of the Dawes and Leishman families. It includes land sale deeds, court documents, invoices, receipts, and wills. Business and legal affairs of James P. Dawes, his wife Elizabeth Leishman, and their son Albert F. Dawes are represented in the fonds. Business deals associated with James P. Dawes include with Grand Trunk Railway Company of Canada. Many legal documents in the fonds are related to land holdings and property in Lachine, Quebec.

The Paul Pedersen Collection consists of Paul Pedersen’s complete portfolio of published and unpublished compositions, sketches, lecture notes and writings. In addition, it contains documentary artifacts including correspondence, teaching and course materials, concert programmes and posters, project reports, etc, that chronicle his early education and life in Alberta and Toronto, through his professorship and deanship at McGill University and finally his appointment of Dean and professor of Music at the University of Toronto.

The Kelsey Jones Collection consists largely of drafts, sketches and texts for nearly all of his major compositional works. It also contains selected correspondence, programs and some personal papers that outline his life and career in music, composition, and teaching. These documents were organized by Kelsey Jones himself, into subject groupings such as: “commissions,” “publishers,” “letters from my teachers,” “letters from interesting people,” etc.

The fonds includes a letter from Lex [i.e. Alexander Silbiger] to [Professor] Donald [Mackay] of the McGill Faculty of Music [now, Schulich School of Music], and a typed curriculum vitae [undated, but probably from 1974] detailing personal data, degrees and diplomas, performing experience, recordings, teaching experience, and compositional output. Also included is a printed concert program for a performance given by the Department of Music, Brandeis University in Slosberg Recital Hall on Sunday, April 27, 1975. In addition, the fonds comprises copies of scores of Gian Lyman’s compositions, including [Sonata for Organ?], Three Bagatelles for Piano (first performance, Montreal, 1959), Pieces for Oboe and Viola (first performance, Montreal, 1959), String quartet (first performance, Montreal, 1960), Essay for three Viols (first performance, Hartford, 1966), Trio for Violin, Viola, and Piano, Quaternions (flute, violin, viola da gamba, and harpsichord), and miscellaneous pieces for choir and organ.

Fonds consists of manuscript of "Kedem, or the Garden of Eden, by Symkabeta", 1869. The manuscript includes an article on Mountain worship by W. Simpson and critical letters from Thomas Scott, 1869.

Fonds contains a manuscript of Esercizi spirituali.

Fonds consists of letters written to P.M. Roget by various people, 1830-1856.