Fonds documents the Mallochs' activities related to their medical and literary work. The fonds contains notes, correpondence, commonplace books, account books, material related to publications, family memorabilia, scrapbooks, photographs, telegrams, postcards and certificates.

The fonds contains correspondence concerning a dinner in honour of Sir William Osler at the University Club, New York, organized by Beverly Chew, M. Taylor Pyne, Edward G. Kennedy, William Augustus White, Frederick R. Halsey and Ernest Dressel North in 1913. The fonds includes 74 original letters. E.D. North managed the correspondence for the event, which included numerous bibliophiles.

The fonds documents the Osler Society's activities. The fonds contains lectures, dinner menus, list of speakers, newsletters, papers, posters and tape recordings.

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 documents the friendship between Mrs. Alice Russel and Dr. Abraham Flexner. It also includes documents collected by Mrs. Russel on Sir William Osler and Maude Abbott. The fonds contains correspondence and newspaper clippings.

Fonds contains notes taken by Thomas McCrae between 1897 and 1904 at William Osler's clinics at the Johns Hopkins Hospital, Baltimore.

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

Fonds contains lecture notes taken by Robert Struthers at McGill Medical College in 1881-1882, including notes on Pathology, Surgery and Ophthalmology. Lecturers include Robert Palmer Howard, Sir Thomas Roddick and Sir William Osler. There is also a case report by Struthers. The fonds includes two notebooks and a case report.

Fonds contains correspondence mostly between George Dock and Sir William Osler but also with Lady Osler, W.W. Francis and Archibald Malloch, from 1891 to 1919. The fonds includes 106 letters, originals and carbon copies.