Fonds consists of chiefly correspondence of or about Dr. John Clarence Webster, from 1892 to 1952. It also contains his medical thesis from 1891, "Tubo-pentoneal ectopic gestation. The anatomy of the pelvis during the puerperium, and the female pelvic floor,"with accompanying 2 bound volumes of watercolour plates.

Fonds documents Charles Ferdinand Martin's activities during his career at McGill University. The fonds contains correspondence, newspaper clippings, manuscript and typescript addresses.

The fonds documents Dr. McNally's work in otolaryngology and his lecture notes by Harold S. Dolan, M.D., Dalhousie, 1923.

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.

Fonds documents Dr. J.C. Meakins' professional activities.

Fonds shows Dr. D. Sclater Lewis' medical and medical-historical activities, from 1904 until his death. The fonds contains correspondence, lecture notes and notes for addresses and published papers.

Fonds documents a portion of the literary activities of Sir Andrew Macphail with the typescript of In Flanders Fields and Other Poems by Lieut.-Col. John McCrae M.D. with the Essay in Character by Sir Andrew Macphail, originally published in 1919. The typescript is accompanied by a signed letter from Macphail. The fonds also contains a letter from John McCrae while on active duty in France to Carleton Noyes, Cambridge, MA, with an envelope postmarked 31 May 1916. Enclosed with the letter is an autographed signed copy of McCrae's poem, In Flanders Fields.

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 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.

Fonds documents Dr. Alton Goldbloom's professional activities, mainly his writings on pediatrics. The fonds contains diplomas, notice of appointment, correspondence, notes, reprints, manuscripts of I'm on Your Side, Small Patients, and revised text of Le soin de l'enfant.