The Audio Recordings series contains 2 audiotape reels and 3 compact discs. Including recordings of Donald Mackey and the Renaissance Singers of Montreal in concert and CBC radio programmes.

Series consists of John Bell's textbook for McGill course Medical Jurisprudence, taught by Professor Duncan C. McCallum, M.D., in fall, 1864. Textbook is listed on the “Books Recommended to Students” list in the course calendar. Signature on inside cover: "John Bell October, 1864."

The series consists of administrative documents such as notes and proposals on membership, correspondence, invoices, programs of the Society (1896-1897), pages from the Microscopical Journal (1890), newspaper clippings on varying topics and a notebook of the Field Day Committee (1887).

This series also contains a published copy of R. Lachlan’s A Retrospective Glance at the Progressive State of the Natural History Society of Montreal (see Essays and Lectures Series). In addition, the series contains a few materials produced by the Natural History Society after 1902 such as invitation cards to meetings.

This series consists of materials that relate to the group of poets that Endre Farkas was associated with called the Cabaret Vehicule Poets.

Series consists of various research files created by Edel in the course of his work on Henry James. The majority of files are copies of original sources, such as the diaries of Theodora Bosquanet, James's amanuensis. Includes numerous off-prints related to James's various novels, Edel's notes on James's letters and correspondents, and ephemera such as book jackets and drafts. Many notes, drafts, and miscellany relate to Edith Wharton and Percy Lubbock.

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 two CD-Rs, which contain Series 1 and much of Series 1-5, respectively, with some additional material. The total number of items is 512.