The collection contains private records and papers relating to the medical and teaching career of Maude Abbott. It consists in large part of correspondence, 1894-1920, including family correspondence with, among others, her sister Alice Abbott, 1904-1919, and her brother Rev. Harry M. Babin, 1916-1920. Also included are manuscripts and drafts of articles and addresses; case reports; post-mortem records; glass slides and drawings; exhibit panels largely pertaining to her research on congenital heart disease; programmes of medical meetings, 1902-1937; reprints and papers relating to the history of medicine in Montreal and Quebec, as well as to the history of McGill, 1829-1936. In addition, there are photographs, some poems, an autobiographical sketch and a printed copy of her Classified and Annotated Bibliography of Sir William Osler's Publications, 1939, with corrections and annotations by W. W. Francis. Fonds also includes a draft of Abbott's letter to the Dean of Faculty of Medicine, McGill University, regarding admission (1889).

The collection contains correspondence, curriculum vitae, a poem written by his wife, Elizabeth Turnor, a record of medical examinations for the Coroner's Court of Montreal, 1894 and lectures notes. The greater part of the notes consists of embryology notes made at the Anatomisches Institut, Munich, around 1900.

Fonds contains Dr. M.H.F. Friedman's personal papers and files relating to Dr. Boris P. Babkin and also correspondence with the editor of Babkin's biography of I.P. Pavlov.

Papers consist of personal correspondence, including substantial family correspondence, diaries, journals, engagement books, ledgers, menus, manuscript poems, galley proofs, lecture notes, scrapbooks, and photographs. It includes correspondence, 1874-1935; a diary of Drummond's trip to Great Britain, 1902; dinner menus, 1902-1903; engagement books, 1902-1906; galley proofs, 1905-1911; Journal of Impressions kept at Savanna la Mar, Jamaica, Windsor and Montreal, 1903-1911; lecture notes taken at McGill, 1878-1882; ledgers containing financial entries and patients' accounts during Drummond's practice in Knowlton and Montreal, 1885-1889; notebooks containing manuscripts poems, drafts and clippings, 1894-1909; scrapbooks related to literary topics, including clippings about Drummond's public readings, and book reviews, 1854-1907 and scrapbooks related to Drummond's dogs, 1890-1907. There are also some papers of Mrs. W.H. Drummond, including a typescript of her Life of W.H. Drummond; and diaries recording her trips to United States and Canada, 1892, 1903.

Fonds consists of correspondence with the pediatrician Dr. Alton Goldbloom of Montreal. It gives a picture of pediatrics and parental concerns at the time. The fonds contains 30 letters.

Fonds contains correspondence, including letters and postcards from Sir William Osler, clippings and two photographs.

Fonds documents the Montreal years of H.V. Ogden and the ties he had with Sir William Osler. The fonds contains the correspondence of H.V. Ogden consisting of letters from May Francis and Marian Francis (Osborne), letters from George Cantlie, a letter from Dr. Robert Palmer Howard and a letter from Edmund J.A. Rogers.

Fonds consists of the personal and professional papers of Louis and Irene Kon including extensive correspondence between the Kon family. Included are materials relating to the founding of the Norman Bethune Foundation and Bethune memorials; the making of Ted Allan's movie, "Making of a Hero", including the conflict with Syd Gordon regarding creative differences; a manuscript draft and notes on Larry Stephenson's manuscript 'Two Petrals.'

This collection consists of contemporary copies of letters written by T. Blackwood from Michilimackinac to James and Andrew McGill & Co., to Ch. Chaboillez, and to T. and J. McGregor.

The fonds consists mainly of documents relating to Gales' private life, including correspondence with family and friends during the war years (1931-1946) and correspondence documenting his social networking amongst graduates (1978-1985). The fonds also includes agendas (1967-1982), covering his years working at McGill University and into retirement.