The fonds consists of correspondence, manuscripts, typescripts, galley proofs, author files, financial and other business records. Author files deal with all aspects inherent within the publication of that author's manuscript. The reseacher is able to trace the development and the forces that come to bear upon the publication, from the initial submission of a manuscript to the ultimate printing and sale of that manuscript. Manuscripts, typescripts, galley proofs and press proofs of most published manuscripts are included in the fonds.

The fonds consists of minutes, financial records, membership lists, press releases, and photographs relating to the operation and functions of the Federation. There is a separate series of the workings of the Ontario Farm Machinery Agency and well as for the Leeds County chapter (Locator #5060, SR1135-SR1135.5).

This fonds consists of correspondence, subject files, ledgers, constituency files, minutes, publications, photographs, posters and material detailing the working of a provincial political party which is also responsible for the province's efforts in federal politics.

File consists of speeches, lecture notes, correspondence, and other material from McNeill's time as a professor and administrator at Queen's University.

The fonds consists of correspondence and constituency files, speeches, photographs and scrapbooks spanning Millken's time as an MP for Kingston and the Thousand Islands and as Speaker of the House of Commons; correspondence, program, speech. an overview, and architectural drawings relating to the design and offical opening cremony of The Law Courts in Edmonton, Alberta.. The files primarily include correspondence with constituents and ongoing subject files on specific issues, but also contain some of Milliken's work on legislation and Parliamentary committees. The fonds also includes photographs and files around specific events, especially during Milliken's term as Speaker of the House. The fonds consists of the following series: Kingston office (1988-2011), and Ottawa office (1963-2011).