Percy Corbett’s fonds reflects his expertise in Roman and international law. The fonds mostly consists of lecture notes written by him for his courses on Roman and international law. Also part of the collection are two bound notebooks on constitutional history, political theory and international law from his student days in Oxford (1919-1924), a few manuscript and typescript essays on Roman law, notes on Canadian-American relations (1942), and notes on international law (1949). Included is a diary (1916), correspondence (including correspondence to the Wilder Penfield and his wife Helen Katherine Kermott Penfield (1944-1959 ), reference letters (1922-1983), articles and newspaper clippings (1920-1989). Cuurriculum vitae and hand-written record about Corbett’s life, wills, addresses, draft of biography of Percy Corbett written by his son David, reviews of P. E. Corbett’s work, and book reviews of Percy Corbett are part of the fonds. Included is also material for 1946 Conference - Moscow Report, common place book (1930’s-1940’s), tributes to Percy Corbett, typed and hand-written Statement and Memorandum on the American-Canadian relations (1958), typescript Impressions-Mostly Oxonian by Percy Corbett and article Oxford-Impressions. Non textual records include photographs.

The Nobbs fonds consists of the work of Percy Erskine Nobbs, George Taylor Hyde, Nobbs and Hyde, Nobbs and Valentine, and Nobbs and Nobbs. 526 projects are documented in the Percy Erskine Nobbs Fonds. Architectural drawings form the core of the fonds, providing a comprehensive listing of the drawings by Percy Nobbs and his associates. Arranged chronologically, the inventory reflects respectively the development of the partnerships Nobbs and Hyde (1910-1944), Nobbs and Valentine (1945-1950), and Nobbs and Nobbs (1950-1960). Hugh A. I. Valentine worked only briefly with Nobbs, spending the bulk of his career with the Bell Telephone Company of Canada. His commissioned drawings and student notebooks cannot be directly related to his work with Nobbs, but are nonetheless described in subfonds 8. Subfonds 6 and 7 describe Percy Nobbs's personal papers and three-dimensional objects designed by him which are in the Canadian Architecture Collection.

The fonds is divided into five main categories covering Pierre Gloor's activities as a researcher and administrator, 1950-1993. 1) Research, 1952-1993, including original studies, research materials in the form of slides, etc., and letters to scholarly journals; 2) Meetings, Symposia and Conferences, containing documents recording Gloor's presentations; 3) Lectures; 4) Correspondences with academics and institutions; and 5) Administrative, documenting Gloor's activities within the McGill University Faculty of Medicine, Montreal Neurological Institute, and Montreal Neurological Hospital.

The D'Aigle papers fall into three series: diaries, correspondence and a scrapbook of photographs and memorabilia. The diaries (1912-1914, 1927, 1935-1952) are largely devoted to a day-by-day account of prospecting journeys. Correspondence with members of his family, partners, prospective financial backers and government mining bureaus covers the years 1900-1959. The scrapbook contains personal mementos, newsclippings about D'Aigle, photographs of his journeys, lists of supplies for prospecting trips, and maps, some drawn by D'Aigle himself.

The fonds consists of records related to Robert Allen Cleghorn’s professional activities in psychiatry and includes 2 albums of photographs, lists of Cleghorn publications, 4 non-academic papers, a copy of Building on around the past: 50 years of psychiatry at McGill, and a carbon copy of Cleghorn's report to the Canadian Medical Association Journal on the Third World Congress of Psychiatry, 1961.

"Architectural Drawings, 1921-38, 322 drawings." Designs, proposals, additions and alterations to thirty-eight projects for domestic architecture, including the Hallward house (now McGill University's Martlet House) and summer country houses; public commissions such as Murray Park Shelter in Westmount and Westmount City Hall comprise the holdings of the CAC of the work of Robert and Francis R. Findlay.
"Photographs, 1922-38, 51 photographs." Seven of the Findlays' projects are documented by photographs. Included are photographs of finished interiors and exteriors of houses in Westmount as well as the Westmount City Hall.
"Professional Papers, 1928-40, 19 cm."Correspondence, specifications, clippings, pamphlets, invoices, etc., for seven projects; among them the Murray Park Shelter, the Union Twist Drill Company's building in Rock Island, PQ, and houses in Westmount, are found in the Findlay archive.

"Dessins architecturaux, 1921-1938, 322 dessins." Esquisses, propositions, annexes et modifications se rapportant à 38 projets d'architecture domestique dont la maison Hallward (aujourd'hui la maison Martlet de l'Université McGill) et de résidences d'été; la CAC conserve également certains projets publics réalisés par Robert et Francis Findlay, notamment l'abri du parc Murray à Westmount et l'hôtel de ville de Westmount.
"Photographies, 1922-1938, 51 photos." Sept des projets des Findlay sont documentés par des photographies. On trouve entre autres des photos de la finition intérieure et extérieure de certaines maisons à Westmount de même que de l'hôtel de ville de Westmount.
"Documents professionnels, 1928-1940, 19 cm" Correspondance, cahier des charges, coupures, dépliants, factures, etc. relatifs à sept projets dont l'abri du parc Murray, l'immeuble de la société Union Twist Drill à Rock Island (Québec) et des résidences de Westmount.

Scott's papers comprise notes, photographs, reprints and some correspondence on Biblical archeology, particularly weights, seals and coins (ca 1920-1966).

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 consists of documents relating to Macdonald’s publications and professional activities outside the classroom both prior to and during his tenure at McGill and for various professional associations. The scope covers the period of 1976 to 2012 and includes: articles, essays, and speeches (both draft, final and off-print) and their assorted documentation (travel itinerary, correspondence, conference notes, and research).

The fonds is divided into four series which were imposed by the archivist. The first is Publications which relates to any of Macdonald’s published material. The second is Professional Activities which is composed mainly of speeches and conference notes and materials. The third is Publications and Professional Activities which encompasses any professional activity which was subsequently published or vice versa. The last is Course Materials.

The Ross family fonds consists primarily of records related to the student achievements of the Ross children and includes student notebooks, news clippings, convocation programmes, certificates, and memorabilia of the Red and White Revue such as songs, photographs and original songs. Edward Russell Paterson’s student notebooks in geology, petrography and English literature are included.

In addition, there are two diaries of William Stieven Paterson’s from his travels through Civil War battlefields in the southern USA and a trip to Cuba; 8 photograph albums depicting the Paterson side of the family; 3 scrapbooks of magazine stories for children, poems and household hints; and correspondence between Dorothy Jean Ross and the McGill University Archives.