Andreassen's papers fall into three series: personal materials, diaries, and professional files. Personal materials include family correspondence, 1929-ca 1932, and ca 30 cm of class notes and draft papers stemming from his student years, largely at Louisiana State. There are also files of private correspondence, some addressed to Mrs Andreassen, from the period 1975-1980. Andreassen's diaries cover the years 1936-1940, 1945-1952, 1962-1965, and 1968-1976. They record the working day and are interleaved with memoranda and correspondence, often of a personal nature. Professional files vary in nature with each stage of Andreassen's career, but correspondence and reports are consistent elements. To these may be added copies of surveys and inventories of the Louisiana Historical Records Survey, expense accounts and photographs arising from his work for UNRRA, records of archival deposits and drafts on an institutional history prepared as Archivist of CNR, and annual reports written as McGill Archivist.

Fonds consists of Dr. Ewen Cameron's teaching materials, articles, addresses, and a file of material regarding the Nazi leader Rudolf Hess and his claims of amnesia during the Nuremberg trials in 1946, as well as a couple files of biographical interest on Cameron. Teaching materials consist of notes for a seminar on tension and anxiety for military psychiatric personnel (1943). Articles and addresses comprise a draft, with letter from the McGill Medical Journal, an article on psychiatric education (1944) an address to the American Psychiatric Association on day-hospitals (1947), opening remarks for the World Congress of Psychiatry meeting (1961), and "Some thoughts on my years as director of the (Allan Memorial) Institute" (1964). There are also a few reprints of articles on memory, psychiatric training, and hospitalization. The file on Rudolf Hess contains trial transcripts, examination reports, Cameron's contemporary notes on Hess's condition, and some later comments on and correspondence about the proceedings (1945-1947). Biographical materials consists of a copy of Cameron's letter of appointment at McGill (1943), and a biographical sketch by Dorothy Trainor of the Allan Memorial Institute.

The fonds consists of the personal papers of Aimé Sydney Bruneau, including personal family and WWI correspondence, diaries, minutes, manuscripts, and Shakespeare manuscripts.

The fonds consists of a file of correspondence regarding the publication of R.C. Fetherstonhaugh's McGill University at War 1914-1918 and 1939-1945: raised for use in the Comptroller's Office.

The fonds consists of letters to Dorothy King from Cynthia Rendall Toller between approximately 1930 and approximately 1970. They detail family affairs, teaching, and rationing in England during World War II alongside various references to Canada and accounts of British National medical services between approximately 1960 and approximately 1970.

The fonds consists of the correspondence of John Wightman, related to the McGill Graduate's Society in the Maritime provinces.

This file contains a letter from Arthur Currie presenting gift of "McGill and its Story 1821-1921" by Dr. Cyrus Macmillan to the President of the Federal Paper Company.

These papers contain Forbes' personal files of correspondence and clippings, some design materials and films of McGill football games. The personal files contain biographical materials such as his birth certificate, military commission and service records, and letters concerning his employment at McGill. Other files concern Forbes' designs for decorations for the 1951 Royal Visit, the McGill C.O.T.C., the Forbes Trophy for athletics, Forbes' involvement with McGill athletics and museums, and the career of his brother Kenneth Forbes, a painter. A number of diplomas and certificates awarded Forbes, as well as a photograph album, complete this series. Materials for designs include files on heraldry, a collection of illustrations from 19th century periodicals, designs for the Royal Visit decorations (a few, by Percy Nobbs, were used for the 1939 visit), maps, linocuts, bookplates, and programmes designed by Forbes for McGill events, ca 1925-1950. Thirty-four reels of motion picture film record McGill extramural football games (1947-1951). Films with sound track show the construction of the Currie gymnasium (1939-1940), and demonstrate the swimming techniques of Matt Mann. Additional biographical material is provided by obituary notices and letters of condolence to Mrs. Forbes, and by clippings of articles about Forbes.

The fonds consists mainly of documents relating to Gales' private life, including correspondence with family and friends during the war years (1931-1946) and correspondence documenting his social networking amongst graduates (1978-1985). The fonds also includes agendas (1967-1982), covering his years working at McGill University and into retirement.

The fonds contains chiefly the writings of Jeremy Walker on a variety of issues in moral philosophy and related literary topics. These writings, including anthologies, drafts of books and lecture notes, demonstrate the range of his eclectic interests from his formal studies of Kierkegaard and moral philosophy to his more personal intellectual pursuits concerning the literature of Kipling, Jane Austen, and Dostoyevsky, as well as the poetry of Woodsworth and reflections on Englishness. There are also examples of his published and unpublished poetry.

His more personal writings are in diaries that cover more than 20 years of his adult life and in contrast to his erudite writings on grand philosophical topics reflect his feelings and at times his dreams, on the state of his health, relationships with women, and recount the day-to-day events of urban travel and socializing.

His personal and family relationships are reflected by correspondence with family, friends and students, photo albums of travels to England and Greece, travel diaries document his summer activities from 1947 -1950, including lists of books read, drawings and photographs. As well, in a file titled Personalia (3) Apologiai Walker provides some personal chronologies, and reflects upon his writings and his life.