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 documents H.R. Clouston's medical activities and his association with McGill University. The fonds contains notes, reprints, photographs and newspapers clippings.

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 the admission cards of William Forrest for the Montreal Medical Institution Library, the Montreal General Hospital and the lecture of Anatomia Physiologia et Chirurgica of John Stephenson, in 1824-1825. The fonds includes three admission cards.

Fonds contains the admission cards of R.T.E. Macdonald for his complete studies in Medicine at McGill, 1878-1881. The fonds includes admission cards, a receipt, certificates and some notes from W.W. Francis.

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.

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.

The fonds documents Dr. Hamish McIntosh's activities while studying medicine at McGill University from 1939 to 1943. The fonds contains his notes.

The fonds consists of Robert Bell's student notebooks related to his medical studies in Surgery, Materia Medica, Practice of Medicine, Obstetrics, Physiology and Clinics at McGill University. The fonds also contains circular letters and medical advertisements. Inventory for acc.732 purchased from John Mappin in 1979 also included in fonds.