Fonds contains the correspondence between Dr. Edmund Evan Simpson and the Osler Library Librarians, W.W. Francis and Cecile Desbarats, from 1942 to 1964. The fonds contains 21 letters, original and copies.

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 documents John Thomas Basken's activities as a medical student. The fonds contains admission cards, certificates and one oath.

Fonds documents R. Cameron Stewart's research circa 1937 on the history of the first vaccinations against smallpox in Canada. The fonds contains letters, notes, two baptismal certificates and a newspaper clipping.

Fonds documents William B. Malloch's activities as a medical student at McGill and the links he kept with his alma mater, 1863-1870. The fonds contains admission cards, programmes, certificates, examination copies, newspaper clippings and an indenture of apprenticeship.

Fonds documents a portion of the literary activities of Sir Andrew Macphail with the typescript of In Flanders Fields and Other Poems by Lieut.-Col. John McCrae M.D. with the Essay in Character by Sir Andrew Macphail, originally published in 1919. The typescript is accompanied by a signed letter from Macphail. The fonds also contains a letter from John McCrae while on active duty in France to Carleton Noyes, Cambridge, MA, with an envelope postmarked 31 May 1916. Enclosed with the letter is an autographed signed copy of McCrae's poem, In Flanders Fields.

Fonds contains the records of the Osler Reporting Society of Montreal from 1929 to 1972, including record books, correspondence, invoices, receipts, list of members, minutes, and constitution.

Fonds documents Norris Giblin's studies in Chemical Physiology, Materia Medica, Blood Platelets, Coagulation and Forensic Medicine at University of Edinburgh. The fonds contains 7 notebooks.

Fonds documents Frederick Augusutus Rees' activities as a physician in Bermuda. The fonds contains a ledger, an index to the ledger, notes and letters.

Fonds shows H.R. Griffith's papers and records pertaining to his introduction of the homeopathic remedy curare into anesthesia. The fonds contains correspondence, case records, and reprints, as well as the minute book of the Montreal Homoeopathic Association, 1863-1968.