The fonds contains materials that Dr. M. Entin collected for his biography of Dr. Archibald. Mainly include articles relate to tuberculosis, pancreatitis, wound healing, history of surgery, and scientific writing. It also includes letters from Edward Archibald to Mrs. Archibald, letters to Archibald from William Osler and Sir Henry Gray, addenda of Archibald's world journey in 1936, and articles by Archibald.

Some draft chapters of the biography of Dr. Archibald and research data for 100th Anniversary of Royal Victoria Hospital can also be found in the fonds.

The Sir William Osler Collection, distinct from the Bibliotheca, is an extensive archival holding of Osler's correspondence (including eighteen hundred original letters), daybooks, accounts, engagement books, legal documents, book invoices, membership certificates, notebooks, lectures, addresses, newspaper clippings, photographs, books with manuscript additions, and miscellaneous loose items formerly inserted into individual books in his library. The collection also contains various family papers, including correspondence of Lady Grace Revere Osler and Edward Revere Osler.

The Penfield fonds consists of over eighty metres of Penfield's personal and professional records dating from his childhood up until his death in 1976, including during his career at the Montreal Neurological Institute. The materials in the fonds include photographs, correspondence, manuscripts and drafts of publications and speeches, research notes, glass slides, bound reports, films, and academic gowns.

The fonds largely document Dr. Segall's professional activities as a cardiologist. It contains correspondence, notes, experimental notebooks, lecture notes, articles, speeches, patients' records, electrocardiograms, reprints and material pertaining to the Louis Gross Memorial Lectures, 1922-1979. Also included are several electrocardiograph machines, dictation devices, and audio recordings (reel-to-reel tapes, dictation disks, and cassette tapes). In addition, the fonds contain records of Dr. Segall's personal and family correspondence, financial transactions, and various other official and unofficial documents.

The collection contains correspondence, curriculum vitae, a poem written by his wife, Elizabeth Turnor, a record of medical examinations for the Coroner's Court of Montreal, 1894 and lectures notes. The greater part of the notes consists of embryology notes made at the Anatomisches Institut, Munich, around 1900.

This collection is divided into material either by, or about, Wilder Graves Penfield. The material was collected by Lewis in order to write his biography. The fonds also includes materials associated with Mr. Lewis' writing of the biography.

The Penfield material is organized by family member, with the largest portion belonging to Wilder Penfield and his wife Helen Penfield. This material is largely personal in nature. It consists of originals and photocopies of diaries, as well as personal correspondence between Penfield and his wife, family photographs, and ephemera from a variety of social and professional events. There is also a small selection of personal correspondence between family members.

Lewis created drafts, revisions, letters concerning the development of the screenplay, and research material. Correspondence between Lewis and the family is contained in the material covering personal family matters.

The fonds includes American Neurological Association material (1934-1941), army files (1939-1943), correspondence, lecture notes, glass slides, large glass negatives, colour screen filters, and reprints with a card index.

Collection includes a scrapbook and a file of memorabilia of Dr. Anderson and his family, 1894-1952. It contains letters, menus, programmes, certificates, a manuscript of a poem, a contract to purchase, ferrotypes, and many newspaper clippings.

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.

Fonds shows Herbert Frederick Moseley's relations with his editor for his book "Shoulder Lesions". It contains an original manuscript with the publisher's annotations for the 1945 edition and another complete copy.