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.

Consists of an English translation of a letter to the Marquis de la Jonquière written by Antoine-Louis Rouillé, comte de Jouy, secretary of state for the French Navy, at Versailles, dated 28 February 1750. The letter discusses an immediate release of prisoners of war taken during conflicts between the French and British colonies. It also includes a mention of Indigenous allies of England and France, and Indigenous people captured during the conflicts: "the Indian Prisoners among the two Nations be likewise released, but after all the French and English Prisoners are released" The letter also includes the name of examiner Josiah Willard, secretary of the province of Massachusetts-Bay.

The fonds documents Dorothy Duncan’s personal and professional activities as an American-born Canadian writer and painter, primarily between 1930 and her death in 1957. Duncan’s career as a writer is represented by scrapbooks, clippings, and photographs related to her published works, two unpublished manuscripts, and contracts and correspondence with publishers and her literary agent in New York. Her activities as a painter are documented in clippings, lists of paintings, and contracts with art galleries. The fonds also contains personal correspondence, including letters from friends, family, fans, and a significant number of letters from her husband, Hugh MacLennan. Duncan’s notebooks and diaries also attest to her personal and professional activities. They document her early adulthood in Illinois and her later life in Montreal, and include notes, agendas, and a ledger. The fonds also contains two albums of personal photographs.

The fonds documents Judith Fitzgerald’s personal and professional activities as a journalist, poet, and country music enthusiast, put together by Fitzgerald herself, documenting her work from the years 1965 to 1995. The majority of the records consists of research about individuals and musical acts, as well as other work-related projects that Fitzgerald was involved in. These include notes, drafts, and published work written by Fitzgerald, as well as various publications that she collected about the subjects and projects she worked on. The fonds also notably includes Fitzgerald’s creative work, including notes, drafts, manuscripts, and copies of her published books of poetry. Other materials include correspondence between Fitzgerald and friends, publishers, and individuals and institutions that she covered in her research. In addition, the fonds includes some financial records and personal records relating to Fitzgerald’s day-to-day activities and significant events in her life. These records include her marriage certificate, scrapbooks containing collected publications on herself, and notes on her autobiography.

The William Weintraub fonds documents Weintraub's career in documentary film and literature covering the period between approximately 1950 to 2000. The fonds falls into four series: (1) literary correspondence, (2) literary activities, (3) documentary filmmaking, and (4) biographical materials, personal correspondence, and career ephemera, documenting Weintraub's early life as well as theatre programs, pamphlets, and other collected material. Weintraub's career as a documentary film maker both as a freelance and with the NFB (1965-1986) with some 150 films to his credit is well documented including his work in Africa. The material includes scripts, research notes and correspondence. In some cases copies of the films are included. Material related to the NFB also includes newsletters, office files, and correspondence. The material documenting Weintraub's literary career includes drafts, proofs, correspondence and reviews for his two novels Why Rock the Boat? (1961) and The Underdogs (1979). In addition, the former was made into a film and extensive files relate to this. The latter novel was adapted for the stage and drafts, publicity and material relating to the controversy it aroused are included. Weintraub's book on Montreal in 1940s and 1950s City Unique (1996) is documented with extensive research files, drafts, reviews and correspondence. The literary correspondence with Mavis Gallant (127 letters), Brian Moore (603 letters) and Mordecai Richler (210 letters) constitutes a major source for the study of three prominent Canadian writers in the last half of the twentieth century. In addition, there are copies of 280 letters from Weintraub to Moore and 123 copies of letters from Weintraub to Richler. While the Gallant correspondence dates primarily from the 1980s with only 8 letters from 1950-1951, the Moore and Richler correspondence is continuous from the 1950s. This latter correspondence reveals the close involvement of Weintraub in the development of the work of both Moore and Richler.

This collection consists of 15 autograph letters between a sender who is only identified by the initials "J.T." and a Miss Fanny Caulfield. Also included is a love letter by Irish poet J. Finnerty, dated 1852.

This collection consists of translations from Terence, begun in 1778, and correspondence on military, political and private matters, 1787-1821, mostly addressed to Thomas Coutts, banker.

Three letters from Seaton relating to the Rebellion of 1837, including a letter to General Fitzroy Sommerset about the capture of St-Eustache.

Collection consists of 36 autograph letters written to James Cameron and his son Archie. The correspondence includes letters by friends, associates, and members of the Cameron family in Toronto, Lake Beauport, Scotland, England, Hull, and Montreal. Subjects include family news, freemasonry, business (regarding deed of sales), factory work in Toronto, curling, and an April Fools' Day letter. With three extant envelopes.

Typed copies of the official and private correspondence, 1814-1821, held in the McCord Museum in the William MacKay Papers. They consist mainly consist of military records such as commissions, 1813-1814, correspondence between members of the British Indian Department, including Lt. Col. Robert McDouall and his description of the siege of Prairie du Chien, with reference to the Omaeqnomenew (Menominee), Hocak (Winnebago), and Meskwaki (Fox) warriors who fought alongside British forces, as well as to the Potawatomi leader Main Poc (referred to as Marpock), 1814-1815 and copies of correspondence of Capt. Thomas Anderson with Lt Col. Robert McDouall on military actions, supplies and Indian relations, 1814-1815. There is also a newspaper clipping about Alexander MacKay and the partnership agreement admitting William MacKay and David Mackenzie into the North West Company in 1796.