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.

Includes note-books of extensive medical and dental school notes of lectures and readings that Huber transcribed while attending the University of Pennsylvania ca. 1884-1888. Also included: receipts and billing slips, ca. 1892-1903 from Huber's practice; published items such as the catalogue to the University of Pennsylvania, ca. 1885-86; miscellaneous items, including a public address in Huber's handwriting.

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.

The fonds documents John Bell's activities related to his medical studies at McGill in Surgery, Materia Medica and the Institutes of Medicine, as well as his work as a private physician in Montreal. The fonds consists of notebooks, a photocopy of his MS McGill medical thesis, letters from his personal and professional life, one of his medical kits, receipts from merchants, various subscriptions, societies and clubs. The fonds also contains various reprints of Bell's articles, including the 1878 article, "Case of Diphtheria, Acute Laryngeal Symptoms", as well as the City of Montreal's "Mortality of Montreal" – a list of all deaths in Montreal in January 1878.

The collection consists of documents pertaining to Dr. H. S. Birkett's medical activities, including 117 bound volumes of patient records (1889-1942), medical notebooks (1893-1896), bound RVH reports (1894-1938), RVH charts (1901-1920) and registers (1899-1917). There are also various letters addressed to Mr. and Mrs. Birkett, a manuscript, newspaper clippings, various degrees and medical association certificates, as well as photographs of H. S. Birkett's personal life and professional life at McGill and elsewhere. The collection also includes various artifacts collected by H. S. B, including military and medical memorabilia collected by H. S. Birkett.

Fonds consists principally of one three-ring loose leaf holograph notebook written in pencil and ink. The notebook details cases that Morton worked on during the period of February to May, 1935, while at Guy’s Hospital in London. Fonds also includes a letter from real estate broker William E. Speed to Capt. W. B. Holms concerning a property rented to the Mortons; single blank leaf with letterhead of C. S. Morton (Harry Stafford Morton’s father); New Year’s card from Earle C. Phinney; and newspaper clipping of editorial by Sir William Osler, “Promethean Gift of the Century Physical Suffering Diminished.”

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.

The Sir William Osler Collection, distinct from the Bibliotheca, is an extensive archival holding of Osler's correspondence (including eighteen hundred original letters), daybooks, accounts, engagement books, legal documents, book invoices, membership certificates, notebooks, lectures, addresses, newspaper clippings, photographs, books with manuscript additions, and miscellaneous loose items formerly inserted into individual books in his library. The collection also contains various family papers, including correspondence of Lady Grace Revere Osler and Edward Revere Osler.

Fonds contains G.D. Gibb's manuscript medical case books. The fonds includes six volumes originally numbered 3, 7, 8, 9, 11, 12, each of them with an index and Gibb's bookplate.

Fonds documents J.B. Johnston's professional activities from 1839 to 1859. It also includes his medical thesis De delirio tremente, Edinburgh, 1833. The fonds contains a logbook with notes, summaries of readings, reports of unusual medical cases and obstetrical list, and his medical thesis.