Fonds consists of personal letters between Howard family members and close relations (C. P. Howard, William Osler, Grace Osler, the Wright family etc.). Subjects range from wedding engagement congratulations for C. P. Howard and Otillie Wright, personal introductions from Grace Osler, to professional appointment letters. There are original photographs (as well as a few copies) of candid Osler family moments, formal family portraits, hospital photos of Osler at work, as well as several professional portraits of William Osler by prominent Montreal photographers. The fonds also includes miscellaneous reprints, booklets, and various other publication materials such as R. P. Howard's valedictory addresses to several graduating classes, personal copies of medical case studies, Olser's handwritten medical notes from 1875-1878, as well as original caricature sketches by Edward Revere Osler. In addition, there is a small photo album (in its own presentation box) with John Hopkins Hospital staff portraits (names included) from 1902-1903. The photo album is stamped "C.P.H." on the front cover.\nIncluded in the fonds are the following books: The Holy Bible (Oxford, 1912), The Poems of Edgar Allan Poe (Diamond Edition, New York, 1881), and Robert Bridges The Spirit of Man (Longmans Green and Co., London, 1916).

Fonds contains various certificates and awards received by Browne; photographs and slides; two official portraits; letters of Ms. W. Browne (sister) regarding Browne; Last Will and Testament; The Canadian Medical Hall of Fame Induction Ceremony VHS, and newspaper clippings.

The fonds contains ledgers, legal documents, permits, one scrapbook, and photographs.

The fonds contains fourteen notebooks kept by the Poisson family during their studies in medicine. The notebooks contain lecture notes and class notes on various topics in medicine taught by prominent professors such as, Jean Étienne and L. Landry, L. Simard, F.A.H. Larue, and J. Sewell.

The fonds contains correspondence related to the Osler Library and its holdings with people such as Maude Abbott, Edward Archibald, William B. Bean, Edward Horton Bensley, Archibald Malloch, Casey Wood, as well as John Farquhar Fulton, Keeper of the Medical History Collections at Yale University's library; the fonds also contains a typescript of talks by W.W. Francis (titled "Showman's Patter") about books and other items held in the Osler Library.

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.

Fonds consists of documents, which illustrate the founding, and the activities of the American Osler Society. Included are the administrative and financial documents, minutes, reports, correspondence of the officers, correspondence with members, files regarding links with other organizations and a survey. The fonds also contains documents related to membership, the annual meeting, the William B. Bean Student Awardship, the John P. McGovern Award Lectureship and publications generated by the association. Fonds contains the following series:
P125/A Constitution and Structure
P125/B Administration
P125/C Correspondence
P125/D Finances
P125/E Membership
P125/F Annual Meeting
P125/G William B. Bean Student Research Award
P125/H John P. McGovern Lecture
P125/I Public Relations and Links with other Organizations
P125/J Publications
P125/K Special Projects
P125/L Archives

Fonds documents Dr. Oscar Emery Morehouse's involvement with his alma mater, McGill University. The fonds contains admission tickets, programmes, newspaper clippings, receipt, examination paper,menus and invitation cards.

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.

Fonds documents Burton Chance's links with Casey A. Wood from 1922 until Wood's death in 1942. The fonds contains correspondence between the two men, reprints of C.A. Wood and letters from various correspondents concerning C.A. Wood.