The fonds documents John Mappin’s occupation as an independent antiquarian book seller, his personal interest in the history of print and Canadian politics, and his personal achievements as an author. The wide variety of subject files found in this collection are almost entirely North American based and span from 1733-2004. These records reflect Mappin’s particular focus on Canadian authors and Canadiana in general.

Fonds consists of a one document, a manuscript of reminiscences of Charles James, born in Montreal in 1835. The document is internally dated in April 1915. James describes his childhood as the son of a carriage and sleigh builder born in England who conducted much business for the British military stationed in Montreal. The family resided on Craig Street. Reminiscences include descriptions of Montreal, the building of the locks on the Lachine canal, a trip up the Ottawa River to Bytown (Ottawa) and then to Kingston, where the family resided for a time. James joined his father in the trade of carriage trimming as a young man before becoming a Baptist minister in Stratford, Canada, and later Wellesley.

Fonds consists of six autograph signed letters written at Montreal by Ann Adams, dated between 24 March 1834 to 26 December 1937, to her son Edward H. in Providence, Rhode Island, and Philadelphia. Letters contain local news (churches and organs built, the railroad to St. Johns, fires, printing and publishing, cholera, etc.), observations on the worsening tensions between Papineau and the "Canadiens" and the "Loyalists," and accounts of preaching by an Indigenous convert to Christianity.

Consists of 2 architectural drawings on paper of Canada Cement Company Building, 606 Cathcart Street, Montreal, Quebec, 1921 (1955 copies). Includes front elevation, details of cols. pilons etc., 2nd and 3rd floors).

These papers comprise office files for the Parks and Playgrounds Association from 1902 to 1972, and for the Community Garden League from 1933 to 1959. The records of the Parks and Playgrounds Association include administrative and financial records, scrapbooks, photographs, public relations material and information files. Administrative records consist of general and committee minutes, 1902-1972, annual reports, 1902-1964, personnel files, 1937-1947, files of correspondence and memoranda on individual sites as well as themes, e.g. water pollution, 1906-1972; and various surveys and studies, 1912-1967. Financial operations are documented by budgets, 1960-1971, financial statements, 1948-1967; ledger sheets, 1951-1961; and invoices, 1939-1957, 1967. Scrapbooks of newsclippings cover the periods 1902-1904, 1916-1932, 1935-1937, 1939, and 1949-1964; some scrapbooks are thematic, e.g. one on the Mount Royal tram line. Over 1,000 photographs taken ca 1906-ca 1960 show parks, playgrounds, landmarks, street scenes, recreation activities, and the work of the Association. Public relations files, 1937-1952, 1955-1962, contain press releases, briefs, petitions, legislative bills, and correspondence related to lobbying and public awareness. Information files contain largely printed material on parks and recreation in Canada and the United States, 1935-1968. Administrative records of the Community Garden League include minutes of its general committee, 1934-1952; annual reports, 1933-1959; correspondence and information files (1938-1949), and notices, 1938-1953, 1959.

The fonds contains photographs, drawings, textual records, and other material used by France Gagnon Pratte as the basis for her 1987 book, "Country Houses for Montrealers, 1892 - 1924: The Architecture of E. and W.S. Maxwell". There are also records related to a book project on the architecture associated with the Canadian Pacific Railway Line.

Collection consists of 38 letters written primarily by John Wood Senior to family members in England. Many of these were written to a sister or sister-in-law and a few are addressed to his brother, Will Wood, a watchmaker and jeweller in London, including two in which Wood includes a list of trade supplies to order. Four letters are from John Wood's son, Peter Wentworth Wood. One letter is by John's wife, Anna. Contents include topics such as the country's economy, Canadian-British politics, the Woods' watchmaking and jewellery business, crops, slavery, and the American Civil War, as well as local Montreal news on subjects such as fires, the Victoria Bridge, a cholera outbreak, the 1856 Railroad Celebration, and a visit by the Prince of Wales. Letters also include family news, particularly of John Wood's children Peter, John, and Charles, seafaring disasters, gold mines, improvements in shipping in the St. Lawrence seaway and the Atlantic Ocean, the expansion of railroads, and the Atlantic Telegraph. Letters date between 25 November 1839 and 13 December 1867. One is a crossed letter.

Fonds contain the personal and professional dealings of the Papineau Family, beginning with Louis-Joseph Papineau in 1828, following through his descendents, to 1943. Dealings include land grants, social events, real estate, interpersonal and business related financial notices, notes on construction projects supervised by or funded by the Papineau family, and charitable pursuits.
The fonds consists of the following series: Legal, Business, and Financial Documents, Ledgers, Account Books, and Notes, Correspondence & Personal Papers, Genealogical Materials. Majority of the files are titled according to creator rather than content and series are contained within chronological boxes (with the exception of container number 9 belonging to the Legal, Business, and Financial Documents series alongside container number 1 and container number 2).
These materials were created for the purpose of keeping track of the interpersonal and business transactions of the Papineau family.