The Aileen Ross fonds consists mainly of correspondence (1935-1990), research files, a brief autobiography (1940-1980), biographical material (1920-1990), and specific talks (1942-1973). Included are personal diaries (1918-1962), appointment books (1946-1992), and Matthew Ibbotson's correspondence to Ross (1921-1927). Books, original and printed articles, newspaper clippings, and reviews of books and articles are also part of the collection. Non textual records consist of several photographs.

The papers of "Jackrabbit" Johannsen reflect his personal, professional and recreational activities, mainly between 1934 and 1985. The largest part of the papers consists of correspondence with friends and organizations, particularly relating to skiing and outdoor life. Family relations are also covered. A series of brief journals provides a record of some of his daily activities, from 1948 to 1984. The remainder of the fonds include publications about Johannsen, photographs, maps and personal documents such as passports.

Percy Corbett’s fonds reflects his expertise in Roman and international law. The fonds mostly consists of lecture notes written by him for his courses on Roman and international law. Also part of the collection are two bound notebooks on constitutional history, political theory and international law from his student days in Oxford (1919-1924), a few manuscript and typescript essays on Roman law, notes on Canadian-American relations (1942), and notes on international law (1949). Included is a diary (1916), correspondence (including correspondence to the Wilder Penfield and his wife Helen Katherine Kermott Penfield (1944-1959 ), reference letters (1922-1983), articles and newspaper clippings (1920-1989). Cuurriculum vitae and hand-written record about Corbett’s life, wills, addresses, draft of biography of Percy Corbett written by his son David, reviews of P. E. Corbett’s work, and book reviews of Percy Corbett are part of the fonds. Included is also material for 1946 Conference - Moscow Report, common place book (1930’s-1940’s), tributes to Percy Corbett, typed and hand-written Statement and Memorandum on the American-Canadian relations (1958), typescript Impressions-Mostly Oxonian by Percy Corbett and article Oxford-Impressions. Non textual records include photographs.

The Alice Johannsen fonds reflects her lifelong involvement in nature, museums, community and her fealty towards her father, Herman-Smith (Jackrabbit) Johannsen. It consists of three series; personal and family series, 1994 to 1991, the Redpath series, 1919-1971 and a professional activities series, 1919-1971.

The William Feindel fonds documents the research, writing, teaching, and various professional activities of William Feindel. Materials related to Feindel’s research make up the bulk of the fonds and cover his many research interests in the field of neurology as well as his interest in the history of medicine and the legacies of Wilder Penfield, William Osler, and 17th-century physician and neuroanatomist Thomas Willis. An entire series is dedicated to records related to Feindel’s role as the curator for the Wilder Penfield archives. The William Feindel fonds also documents his work for the Montreal Neurological Institute, his role as Acadia University’s Chancellor, and several professional appointments. A series of notebooks consists of Feindel’s notes on various research topics but also contains notes regarding personal matters. Along with the notebooks, a series that documents Feindel’s personal life includes materials related to his family, his years as a student, and a variety of souvenirs and books that he kept as part of his personal library.

The fonds consists of the records of the Zoological Society of Montreal for the entirety of its existence, from 1964-2016. These records were generated in the pursuit of the Zoological Society’s goal to enhance public awareness of wildlife conservation issues through speakers, film screenings, field trips, special events, and large projects. The records also reflect the Society's charity to zoological, ecological and conservation causes. The administration of the Society, its interactions with its members, and its projects and events are documented through minutes, correspondence, communications, published articles, financial documents, reports, and proposals. The Society’s interests and activities are also reflected through books, objects from their offices, audio and video materials, and 5243 photographs, most of which are stored in photo albums. The fonds also contains the records of the Zoological Society of Canada, which were created to administer the Canadian Society similarly to the Montreal Society, with the goal of expanding the organization’s reach nationally.

The fonds is comprised of the following series: 1) Activities (1965-2013); 2) Administration (1964-2016); 3) Artifacts (1980-2004); 4) Books (1967-1991); and 5) Newsletters (1967-2016).

The fonds documents Dorothy Duncan’s personal and professional activities as an American-born Canadian writer and painter, primarily between 1930 and her death in 1957. Duncan’s career as a writer is represented by scrapbooks, clippings, and photographs related to her published works, two unpublished manuscripts, and contracts and correspondence with publishers and her literary agent in New York. Her activities as a painter are documented in clippings, lists of paintings, and contracts with art galleries. The fonds also contains personal correspondence, including letters from friends, family, fans, and a significant number of letters from her husband, Hugh MacLennan. Duncan’s notebooks and diaries also attest to her personal and professional activities. They document her early adulthood in Illinois and her later life in Montreal, and include notes, agendas, and a ledger. The fonds also contains two albums of personal photographs.

Fonds documents Dr. Antonio Cantero's professional activities, especially his cancer research. The fonds contains correspondence, notes, reports, printed matter, slides, photographs and films.

Fonds documents Dr. H.E. MacDermot's medical-historical activities. The fonds contains newspaper clippings, manuscript notes, photographs, lectures notes, and a draft of The MGH, the Years of Change.

The fonds illustrates Dr. Cone's work as a neurosurgeon and consists of correspondence, letters, articles, newspaper clippings, obituaries, photographs, slides, research material and notes, course material, annual reports, manuscripts, typescripts, annotations, published and unpublished manuscripts written by Dr. Cone, printed copies of articles, and patient files.