Fonds consists of photographs and other items that document the early career of Isadore Hirshberg while studying medicine at McGill University from 1909-1914, including 60 album-sized photographs, a framed group photograph of Hirshberg and Montreal General Hospital residents, Hirshberg's framed provincial medical certificate, and two certificates of residency. Subjects include Hirshberg and classmates; campus and student life; photographs of staff, doctors, and nurses in hospital settings, including two photographs of John McCrae at the Alexandra Hospital; and various views of McGill medical buildings and hospitals, including the new medical building at the time of construction in 1910, the Royal Victoria Hospital around 1910, and the Western Hospital in 1913. Two photographs features the medical school janitor James "King" Cook, a fixture of the school and a favorite with the students from the late 19th through the early 20th centuries. His wife was Frank Buller's housekeeper during Osler's time. Fonds also includes a large framed group photograph, Resident Medical Staff/Montreal General Hospital/1914-1915 by Wm. Notman & Son and Hirshberg's Quebec medical license issued by the College of Physicians and Surgeons of Quebec and dated July 1914. Descriptions of the photographs where present are in Hirshberg's hand except in cases in which there were additional descriptions in the album. These were copied in pencil on the verso of the related photograph.

Fond contains solely glass slide negatives. Many slides depict the McGill campus between the years 1918-1921, including the Strathcona Medical Building, as well as the Royal Victoria Hospital. Other subjects include street scenes taken in Montreal after the end of the First World War and the Lockharts' family life during the early 1920s.

The collection contains a photo album of classmates and Annie Hall, and three diplomas McGill MD, CM 1891, Ontario College of Physicians and Surgeons, 1891, and the Quebec College of Physicians and Surgeons 1892.

The fonds illustrates Dr. Cone's work as a neurosurgeon and consists of correspondence, letters, articles, newspaper clippings, obituaries, photographs, slides, research material and notes, course material, annual reports, manuscripts, typescripts, annotations, published and unpublished manuscripts written by Dr. Cone, printed copies of articles, and patient files.

Fonds documents Dr. H.E. MacDermot's medical-historical activities. The fonds contains newspaper clippings, manuscript notes, photographs, lectures notes, and a draft of The MGH, the Years of Change.

Fonds documents Dr. Antonio Cantero's professional activities, especially his cancer research. The fonds contains correspondence, notes, reports, printed matter, slides, photographs and films.

The collection contains the Holmes Gold Medal, photographs, certificates, a poem, letters, newspaper clippings and memoirs.

The collection documents the involvement of McGill faculty, students, alumni, and staff during the Second World War. It contains information on 5568 men and women on active service, including 295 women. It also provides information on the 298 dead, 52 prisoners of war, and 629 recipients of medals.

The greater portion consists of folders, index cards, newspaper clippings, correspondence, and photographs of individual soldiers and civilians. Index cards, documents and photographs were created and accumulated by Fetherstonhaugh and placed in alphabetical order within specific categories. The collection contains four distinct series: index cards; textual documents, including newspaper clippings; correspondence and articles arranged by subject; and photographs. The first series contains subseries reflecting Fetherstonhaugh’s original subdivision categories.

The index cards are arranged in the following groupings:

-Subversive activities
-Killed
-Prisoners of war
-University staff
-Macdonald College
-Army course
-COTC
-US
-General list A-H
-General list I-Mc
-General list M-Z
-Returned from active service
-Photos in extension file
-Photos on loan
-Women
-Civil

Other files in the collection include correspondence and newspaper clippings arranged by particular subjects; correspondence and newspaper clippings concerning the McGill War Memorial Campaign, 1947-1949; Fetherstonhaugh's account book of income and expenditures, and some vouchers, 1942-1946; McGill News articles, 1942-1946; correspondence, memoranda, invoices, reviews, and newspaper clippings, 1947-1948, concerning the book McGill University at War, 1914-1918; 1939-1945.

The William Feindel fonds documents the research, writing, teaching, and various professional activities of William Feindel. Materials related to Feindel’s research make up the bulk of the fonds and cover his many research interests in the field of neurology as well as his interest in the history of medicine and the legacies of Wilder Penfield, William Osler, and 17th-century physician and neuroanatomist Thomas Willis. An entire series is dedicated to records related to Feindel’s role as the curator for the Wilder Penfield archives. The William Feindel fonds also documents his work for the Montreal Neurological Institute, his role as Acadia University’s Chancellor, and several professional appointments. A series of notebooks consists of Feindel’s notes on various research topics but also contains notes regarding personal matters. Along with the notebooks, a series that documents Feindel’s personal life includes materials related to his family, his years as a student, and a variety of souvenirs and books that he kept as part of his personal library.

The Alice Johannsen fonds reflects her lifelong involvement in nature, museums, community and her fealty towards her father, Herman-Smith (Jackrabbit) Johannsen. It consists of three series; personal and family series, 1994 to 1991, the Redpath series, 1919-1971 and a professional activities series, 1919-1971.