Fonds consists of correspondence with the pediatrician Dr. Alton Goldbloom of Montreal. It gives a picture of pediatrics and parental concerns at the time. The fonds contains 30 letters.

Fonds contains correspondence, including letters and postcards from Sir William Osler, clippings and two photographs.

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.

The collection contains private records and papers relating to the medical and teaching career of Maude Abbott. It consists in large part of correspondence, 1894-1920, including family correspondence with, among others, her sister Alice Abbott, 1904-1919, and her brother Rev. Harry M. Babin, 1916-1920. Also included are manuscripts and drafts of articles and addresses; case reports; post-mortem records; glass slides and drawings; exhibit panels largely pertaining to her research on congenital heart disease; programmes of medical meetings, 1902-1937; reprints and papers relating to the history of medicine in Montreal and Quebec, as well as to the history of McGill, 1829-1936. In addition, there are photographs, some poems, an autobiographical sketch and a printed copy of her Classified and Annotated Bibliography of Sir William Osler's Publications, 1939, with corrections and annotations by W. W. Francis. Fonds also includes a draft of Abbott's letter to the Dean of Faculty of Medicine, McGill University, regarding admission (1889).

The fonds consists primarily of letters written during World War I to Drake's sister Daisy Molson and sister's husband, John Dunham Molson. Letters are accompanied by transcriptions and biographical material prepared by Martha E. McKenna. Also included are newspaper clippings dated 1915-1918 on Drake and the Canadian Army Medical Corps hospital run by McGill, one pocket notebook documenting Drake's time with the CAMC in France from 1915-1916, and a membership card to the Royal Club for Ladies from Beyond the Seas, dated 1919.

The fonds contains drawings of two unidentified houses and 50 photographs documenting Wright's designs of houses as well as Wright's correspondence.

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).

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.