The fonds includes American Neurological Association material (1934-1941), army files (1939-1943), correspondence, lecture notes, glass slides, large glass negatives, colour screen filters, and reprints with a card index.

The fonds documents the Osler Society's activities. The fonds contains lectures, dinner menus, list of speakers, newsletters, papers, posters and tape recordings.

The fonds contains Margaret Gillett's source materials and drafts for her book Dear Grace, a Romance of History. The source materials include original letters from William C. Little to Grace Ritchie written between 1889-1893.

The fonds documents Edward P. Hurd's activities as a medical student at McGill, 1861-1867. The fonds contains lecture notes, notebooks and certificates.

The fonds contains the research work of Dr. Simpson in preparation of his biography of Austin Flint.

The fonds documents A.D. Blackader's personal and professional life. The fonds contains correspondence, diaries, autobiographical notes, papers and lectures, certificates, diplomas, testimonials, article reprints, photographs, and some memorabilia.

The fonds documents Purdy A. MacDonald's activities as a medical student at McGill University. The fonds contains student notebooks, loose notes and hand-outs.

The fonds contains Dr. Ormrod's note books while an undergraduate and medical student at McGill.

Fonds shows H.R. Griffith's papers and records pertaining to his introduction of the homeopathic remedy curare into anesthesia. The fonds contains correspondence, case records, and reprints, as well as the minute book of the Montreal Homoeopathic Association, 1863-1968.

The fonds contains Roderick Stewart's research work and writing for his biography of Dr. Norman Bethune published as Bethune (1973) and The Mind of Norman Bethune (1977).