This fonds contains records created by Robertson Masson & Co. as part of their work as merchants between 1835 and 1844. Robertson Masson & Co. were based in Montreal and served clients in Ontario, Quebec, and in the northeastern United States.

Records in this fonds are arranged chronologically, and are divided into files based on the year of their creation. The fonds consists primarily of business correspondence that includes information about accounts and orders, as well as financial records such as bills, receipts, and statements of account.

These records consist of minutes of meetings of the Presbyterian Committee of Laprairie, 1837-1843, and two registers of baptisms, marriages, and burials at Laprairie, 1839 and 1842-1843.

Consists of notes on the Rideau Canal's traffic.

Fonds consists primarily of correspondence between Hertel de Rouville and members of the Canadian government, including Chief Secretary of Lower Canada Sir Thomas William Clinton Murdoch (1809-1891) and Governors General Lord Gosford and Charles Bagot, regarding financial losses he incurred during the rebellions of 1837, 1838, and 1839, and half-pay claims dating from his time as captain of the Canadian Voltigeurs during the War of 1812. Also included are five envelopes with wax seals intact.

Collection consists of one bound manuscript notebook softbound in a piece of brown leather. The notebook dates chiefly from 1841 and was produced in St. Armand by Philip Luke. The notebook contains a title page that has been lettered, illustrated, and coloured by hand: A Latin Translation / by Philip Luke. St. Armand. 1841. Commenced April 4th. The text within this first portion of the notebook is Aesop's Fables in English and Latin on facing pages. The first part of the manuscript ends with "13. Horse and Ass" (Latin is incomplete) and "32. Widow and Servants" (Latin text missing). The following leaf contains two medical recipes: "A cure for a felon or whitlow," refering to an abscess or infection of the fingertip and consisting of a paste made from egg yolk, honey, turpentine spirits, camphor, and flour, and "A reciet for the inflammatory rheumatism," involving a wine-based tonic containing three types of bark, horseradish, brandy, and tar water. Following another blank leaf, a partial letter is found dated 1839. Philip Luke's text begins again in the latter part of the manuscript with a second coloured title page: "Dialogues and Declamations." There is also one loose note laid in dated 1809, a receipt for 100$.

This material consists of a journal kept at St. Giles de Beaurivage.

This records travels in the Red River Colony in 1806. On the final leaf it is noted that the text was revised 7 May 1840

Manuscript copy from shorthand notes of proceedings in the Court of Queen's Bench, 12 January, 1839 to 25 January, 1839, concerning an appeal for the release of 12 Canadians from a transportation sentence for taking part in the 1837 Rebellion.

This collection consists of contemporary copies of letters written by T. Blackwood from Michilimackinac to James and Andrew McGill & Co., to Ch. Chaboillez, and to T. and J. McGregor.