Jacob's correspondence concerning the Montreal Parliamentary Society, 1889-1895, and the erection of a memorial to Sir John A. Macdonald, 1891-1895, includes letters from Lord Strathcona, Wilfred Laurier, Charles Tupper, George Stephens and others. A few brief personal notes include letters from Lord Strathcona and Robert Borden.

Consisting of documents detailing the 1785 travels and observations of Joseph Hadfield through the Northwest fur trade of North America and to Niagara Falls (probably written after 1810). Observations are primarily economic in nature; however, there are also references to the geographical and cultural surroundings.

The fonds consists of six bound manuscripts of notes on medicine written in 1871 and 1872 by Joseph Odilon Lauriault while he was a medical student at Laval University. Includes notes on lectures given by Dr. Simard, Dr. Landry, Dr. Jackson, and Dr. Larue, on topics including surgery, birth, pathology, and gynecology.

The fonds consists of professional correspondence between J. G. Stratford and colleagues from the MGH, Montreal Neurological Institute, University of Saskatchewan, and the Osler Society. It also includes personal research material on pain (the causes and treatments), original drafts of his various publications (1953-2007), Montreal General Hospital daily journals (1966-1998), and some patient files (1943-1972, file 33). Stratford's bachelors, masters, and medical degrees from McGill University, as well as various professional certificates awarded to Stratford throughout his career are included in the fonds. Additional items include portraits and group photographs from the Neurological Department at Saskatchewan and the Montreal Neurological Institute, several brain scan prints, architectural blueprints of the Montreal General Hospital and Montreal Neurological Institute, as well as letters between Joseph & Aurelie Stratford and their close friends, Wilder & Helen Penfield.

Fonds documents Dr. Lella's research activities while at McGill.

Spencer's file of printed testimonial letters, including some from Sir William Dawson and Thomas Sterry Hunt, curricula vitae, and lists of publications was probably prepared for a job application.

Chamberlain's papers consist of the following: medical certificates, 1827, 1851, 1853, two bound collections of sheet music with annotations, ca 1850; photocopy of a printed letter from Henry Lyman concerning the surgical instruments of Chamberlin, 1880s.

Hemlow's teaching activities are documented by her students' examination papers in Mediaeval, Renaissance and 18th century literature for 1941, 1948 and 1953.

The fonds consists of diaries, private ledger and cash book, architectural drawings, news clippings, correspondence, one seal, one measuring tape, and photographs relating to J.S. Costigan and family.

The project files which occupy most of the archives of J.T. Donald and Co. fall into two series: ordinary business and special assignments. Both series contain the firms report's, and correspondence. Special assignments were largely connected with wartime armaments production. A few files concern work for the Imperial Munitions Board in World War I, but most consist of reports for the Chemical and Explosives Branch of the Department of Munitions and Supply, 1939-1948. Ordinary projects involve consultation for food, pulp and paper, petroleum, and chemical manufacturies, as well as for some government departments, 1888-1940. Outgoing correspondence from 1881 to 1909 is contained in letterbooks. A file of legal documents, 1924-1946, refer to claims against the company, agreements, and partnerships. Also included are an undated notebook on chemical analysis, and scrapbooks and files of newsclippings of professional interest (e.g. reports of explosions caused by oil and gas) covering the period 1916-1958. There are also reports on mining and energy sources prepared by Donald alone and also in partnership with J.H. Ross for various private and government bodies.