Collection consists of correspondence from J.W.A. Hickson between 1912 and 1956.

The collection consists of four early Irish manuscripts assembled by the Montreal collector Edward Murphy as part of his private library. The manuscripts include a copy of The Midnight Court (Cúirt an mheán oíche) by Brian Merriman, the Life of St. Patrick by John Chambers, Tri Biorghaoithe an Bhais (Three shafts of death) by Geoffrey Keating, and a fragment of an Irish vocabulary (Nuadhfoclóir bogcruaideach).

Etchings by Giovanni Battista Piranesi printed in Paris between 1800 and 1809. Sixteen plates numbered I-XVI, with the title plate first used in the second edition of 1761 and the two plates added to the second edition, Pl. II “The Man on a Rack,” and plate V, “The Lion-Bas Reliefs” as well as plate XVI, the reworked “Pier with Chains.” All plates with Roman numerals added in the second editions, numbered I-XVI, including the title plate.

The James Morrison papers are a collection of documents chiefly related to James Morrison's activities as a trader and merchant in Montreal. The papers also include some material related to Morrison's family, including legal documents and genealogical research conducted by his descendents. The documents in the James Morrison papers cover a period beginning 18 September 1651 and ending in approximately 1912, but focusing primarily on 1767 through 1800. The fonds represents Morrison's business dealings in Quebec, Ontario, the northern United States, and England, as well as his family life in Montreal and connections with relatives in Baltimore, Ontario, and Jamaica.

The papers are arranged into three series: 1 - Journals, 2 - Correspondence, and 3 - Financial and legal records. Documents in these series include a bound journal, correspondence, contracts, deeds of ownership, power of attorney, birth and marriage certificates, bills of sale, invoices, accounts, descriptions of political and military events, and genealogical notes.

Collection consists of two commercial documents bound together that record the exchange of goods between John Taylor of Queensferry, Scotland, and William Taylor of Montreal. The first document is a one-page list of unsold goods, entitled "List of goods on Mr Wm Taylors [sic] hands remaining unsold as per account sales, sent 11th October 1787 - tho' shipt per the Elizabeth, A. Syme April 1786." It lists a variety of goods, including fabrics, horse tack, carpet, and beer, along with their values. The second document is an inventory of a shipment, entitled "Invoice of a cargo of goods sent per the Elizabeth, Captn A. Syme, to be sold on my account by Mr William Taylor, Merchant Montreal, Queensferry, March 16, 1787." The invoice lists goods - such as fabrics, accessories, tools, household goods, beer and wine, and sugar - as well as insurance, carriage, and customhouse fees.

Collection contains a "Charterparty of Affreightment" signed on 14 September 1778 between Hugh Wylee, captain of the ship Dalling, and William Shaw and Simon Fraser, merchants of Quebec City. The contract contains the terms under which Shaw and Fraser hired Wylee and his ship and crew for a commercial journey from Quebec City to the Bay of Chaleure in Gaspey (now Gaspé), and from there to Kingston, Jamaica. In exchange for carrying and unloading Shaw and Fraser's cargo, Wylee received 800 pounds and a portion of the profits from the sale of the goods.

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.

Collection consists of 59 heraldic plaques featuring Royal Navy and Royal Canadian Navy badges for ships and naval installations.

This collection consists of letters written by Canadian soldiers serving in the Second World War, between 1943 and 1944. The letters were written to family members or romantic partners, while the soldiers were in training in England, or deployed in Europe. The collection also includes some letters written to the soldiers. Contents of the letters chiefly concern news from home and the daily life of soldiers.

The collection is divided into three series, one for each soldier. Series 1 contains correspondence between Robert C. Parsons and his wife, Peggy Parsons. Series 2 contains correspondence between Jack Mills and his mother, C.I. Mills, and brother, Bob Mills. Series 3 contains correspondence between A.V. "Mac" Cormack and his girlfriend Florence Morgan Graham, as well as a letter from Mac's roommate G.D. "Jerry" Royds, also to Florence.

Fonds contains diplomas, certificates from medical associations, and photographs relating to Robert Palmer Howard and Alan Campbell Palmer Howard.