There are three letters from Lord Selkirk, one from Lord Dalhousie, and eight from Lady Selkirk. The early letters concern the Red River Settlement and the North West Company. The letter from Lord Dalhousie, 1824, concerns legal matters, and the two late letters, 1828 and 1833, from Lady Selkirk are personal in nature.

A collection of documents from the life of Simon McTavish including a letter to his creditors and a series of legal opinions on the estate of Simon and William McGillivray. Documents' informational value is largely financial in nature.

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.

Consists of letter from Lord Selkirk to Captain Benjamin Walker dated 14 June 1816 concerning the sale of Selkirk’s land at Salmon River, New York, and his impending departure for the Red River.

Letter from George Washington, thanking Cochrane for assistance with some hounds sent by the Marquis de la Fayette and declining to promote him (or his client) to the office of Continental Treasurer.

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.

Fonds shows the relationship between Thomas R. Boggs and William Henry Welch, one of the founders in the establishment of the Johns Hopkins Medical School in Baltimore. The fonds contains letters from Welch to Boggs, from 1910 to 1927 concerning A Century of Charades, a book of riddles by William Bellamy.

The major record of the McGill Chapter's early years is a register containing members' signatures, 1911-1969, and minutes from 1912 to 1932; a second minute book covers the period 1960-1969. Approximately two-thirds of the papers are secretary's files from 1961 to 1978 containing membership lists, correspondence concerning prospective members, circular letters announcing meetings, and correspondence with the headquarters of AOA. There are also receipts for initiation fees from 1954 to 1969.

The fonds contains letters, 1948-1958, to and from Dr. W.W. Francis. It also includes two poems by Francis, and a letter from the Dean of the Faculty of Medicine regarding death of Francis in 1959.

The fonds consists of Robert Bell's student notebooks related to his medical studies in Surgery, Materia Medica, Practice of Medicine, Obstetrics, Physiology and Clinics at McGill University. The fonds also contains circular letters and medical advertisements. Inventory for acc.732 purchased from John Mappin in 1979 also included in fonds.