Fonds documents the friendship between Mrs. Alice Russel and Dr. Abraham Flexner. It also includes documents collected by Mrs. Russel on Sir William Osler and Maude Abbott. The fonds contains correspondence and newspaper clippings.

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

Fonds documents D.L. Philip's studies of the Institutes of Medicine, 1857-1858, with Dr. William Fraser. The fonds contains one notebook with loose notes.

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

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

Fonds documents Dr. F.C. MacIntosh's teaching and research activities at McGill. The fonds contains correspondence, newspaper clippings, reprints of publications, photographs, documents related to the International Union for Physiological Sciences, lectures, and student reports. The fonds also contains a dossier on Professor George Ralph Mines (1886-1914) assembled by Dr. MacIntosh from 1982-1986. The dossier includes publications, photographs, obituaries, and autopsy information of G.R. Mines, as well as correspondence regarding his death and a copy of "The short brilliant career and strange death of G.R. Mines," written by MacIntosh in 1985.

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 the Mallochs' activities related to their medical and literary work. The fonds contains notes, correpondence, commonplace books, account books, material related to publications, family memorabilia, scrapbooks, photographs, telegrams, postcards and certificates.

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.

Fonds shows T.F. Cotton's activities as a student at McGill University, 1903-1909. The fonds contains 24 bound notebooks with lectures notes taken by Cotton, 1903-1909, for courses in Medicine, Political Science, History, French Literature, English Composition and Literature. There is also a case book containing electrocardiograms and a volume of ophthalmology lecture notes bearing the name George C. Hale.