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.

The fonds illustrates Dr. Sowden's work in the field of rehabilitation medicine and consists of slides, photographs, and articles.

The fonds includes Dr. Archibald’s correspondence and reports pertaining to the Ministry of National Defence, 1940-1945; certificates and diplomas; and a photograph. The correspondents include family members, Dr. John McCrae and Sir William Osler. There is also a draft of a book on wound ballistics and gas gangrene; an Army Field Service book, 1916 and two notebooks on internal and external pathology, “matiere medicale et therapeutique,” and “medecine legale et toxicologie,” 1895.

Fonds shows, partially, Francis John Shepherd's activities as a medical student, an author and a dean. It contains his manuscript student notebook on Materia Medica, an admission card to the University Lying-In Hospital and correspondence with among others John George Adami who writes about his leave at Chicago and Harvey Cushing about Sir William Osler.

The fonds illustrates Dr. McNaughton’s work as a neurosurgeon and consists of correspondence, letters, articles, newspaper clippings, obituaries, photographs, slides, research material and notes, course material, annual reports and drafts of his work. The fonds is divided into three (3) series.

Fonds consists of letters and accompanying reports from John J. Robson, Superintendent of the Royal Victoria Hospital, concerning staffing in the hospital and changes to bylaws. Also included is a letter from Dr. R. P. Boucher of Peterborough, ON, to Buller introducing Boucher’s friend Dr. Halliday.

Fonds documents Dr. Frederick W. Wiglesworth's professional activities.

The fonds consists of two bound volumes of notes on Endocrinology (some handwritten, some typed) from 1938-1939 and 1941-1942 while Masson was a PhD candidate at McGill University. Lectures given by: J. S. L. Browne, H. Selye, D. L. Thomson, C. F. Denstedt, C. Lyman Duff, C. P. Leblond, D. McEachern, R. L. Noble. Also included are three volumes of published works.

The fonds also consists of three bound volumes of Masson's published work from various medical journals (published in France, Canada, and USA) between 1932-1959. The articles are mostly in English, and some are in French.

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 largely document Dr. Segall's professional activities as a cardiologist. It contains correspondence, notes, experimental notebooks, lecture notes, articles, speeches, patients' records, electrocardiograms, reprints and material pertaining to the Louis Gross Memorial Lectures, 1922-1979. Also included are several electrocardiograph machines, dictation devices, and audio recordings (reel-to-reel tapes, dictation disks, and cassette tapes). In addition, the fonds contain records of Dr. Segall's personal and family correspondence, financial transactions, and various other official and unofficial documents.