Fonds consists of autographed signed letter from Workman to John Auld of Montreal on Workman’s engraved stationery (Matthews lithographer), 25 November 1852.

Fonds shows Dr. Philip Franklin's relations and activities with Sir William Osler regarding the Post-Graduate Scheme in England and the American Hospital in England during WWI. The fonds contains letters, telegrams and an agenda and printed material regarding a meeting about the American Hospital.

The fonds contains original and typescript letters, manuscript notes, newspaper clippings, journal extracts, reminiscences and more, assembled by Harvey Cushing chiefly between 1920 and 1924 during the course of his research for the biography of William Osler. For the biography, Cushing collected and retyped over 7500 pieces of Osler's correspondence, among which are some original letters.

The fonds is separated into three series: Manuscripts, Working Notes and Osler's Correspondence. It also contains photographs, annual reports, publications, clippings, one watercolor painting, one postcard. Osler's correspondence is further arranged in three subseries based chronologically.

Fonds consists of pamphlet entitled, “What to Eat to be Healthy” (Toronto: Canadian Medical Association and Canadian Life Insurance Officers Association, 1937), authored by Tisdall. Fonds also includes: typed letter signed from J. P. Crozer Griffith to Tisdall, Feb. 10, 1923, concerning a case on which Tisdall had consulted Griffith; autographed letter signed from Mrs. J. B. Gregory and Eliza J. Gregory, Aug. 2, 1920, agreeing to lease rental property to Tisdall; and autographed receipt signed from Mrs. J. B. Gregory acknowledging receipt of Tisdall’s rental payments.

The fonds documents mainly Babkin's professional interests in physiology, especially glandular secretions and the nervous system. The fonds contains correspondence; lecture notes; citations; research notes and papers, including manuscripts sent to him by his colleagues; reprints of scientific articles mainly in Russian; and material used in the preparation of the biography of Ivan Pavlov. The latter contains correspondence with Ivan Petrovich Pavlov and members of his family, 1923-1948; photographs and portraits; and an unabridged typescript copy of Parts 1-3 of Pavlov: a Biography, with manuscript corrections, 1943-1946.

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 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.

The fonds contains Margaret Gillett's source materials and drafts for her book Dear Grace, a Romance of History. The source materials include original letters from William C. Little to Grace Ritchie written between 1889-1893.

The fonds contains chiefly of family correspondence between members of the Penfield and Chester families, as well as clippings and correspondence regarding Wilder Penfield's autobiography "No Man Alone" and correspondence regarding posthumous honours for Wilder Penfield. Family correspondence includes a 1917 letter from Helen Kermott (later Helen Kermott Penfield) accepting Wilder Penfield's marriage proposal. Much of the family correspondence is between Wilder and Helen Penfield and their daughter Priscilla and her husband William M. (Bill) Chester Jr., as well as Bill Chester's parents William (Sr.) and Alice Chester. There are incoming letters and many carbon copies of outgoing letters. A series of 1949 letters congratulates the young couple (Bill Chester and Priscilla Penfield) on their engagement. One letter is also between Wilder Penfield and George Chester. A few materials are related to posthumous honours for Wilder Penfield, such as the naming of a building after him at John Abbott College (letter to Wilder Penfield Jr.) and a 1982 speech given by Priscilla at the Penfield Children's Center (typescript copy). There is also correspondence between Bill Chester and William Feindel. One 1976 carbon copy of a letter (1976) details the period following the death of Priscilla's father, Wilder Penfield, while the couple was in Japan. Materials related to "No Man Alone" include clippings from journals and newspapers of reviews and book announcements, as well as two copies of the book jacket and some related correspondence.

The fonds consists of Dr. Bensley's research notes and correspondence, particularly in relation to his publication McGill Medical Luminaries.