Includes one letter (in French) to the Hon. Roderick Mackenzie from his son, Roderick-Charles. Letter discusses Mr. Gibbs' loss (a fire burned down his premises), arson in New York and the southern cities in the Union, and provides interesting commentary on social life in Montreal.

File contains court documents relating to the vacant estate of the late Simon McTavish (File 4).

File contains court documents relating to the vacant estate of the late Simon McTavish (File 3).

File contains court documents relating to the vacant estate of the late Simon McTavish (File 2).

File contains court documents relating to the vacant estate of the late Simon McTavish (File 1).

File includes five documents effected after the death of Roderick Mackenzie, including: a draft of Mackenzie's obituary; an invoice for the purchase of mourning goods; an affidavit testifying to the authenticity of Mackenzie's "testament olographe (holographic testament)" and requesting, on behalf of his widow, that the testament be executed; four documents detailing the division of Mackenzie's estate; and one-year lease for 12 Beaver Hall Terrace made out to Mackenzie's widow.

File includes a kept copy of a letter to George Simpson. Also an extract from a letter to J. Moffatt from R. Mackenzie dated Dec. 18, 1829 included in plastic sleeve.

The fonds contains the company's business correspondence related to the importation of food products, essences, and spices from international manufacturers, and other business expenditures, as well as some correspondence with government regulators regarding food labeling and quality. In addition, some letters are from charitable and cultural organizations to which the company donated. Some personal correspondence of Henri Jonas is included, as well as numerous restaurant bills and and menus, including for the Montreal Hunt Club.

Chiefly found is incoming correspondence with product suppliers and invoices for various services, including car repair, advertising, stationary, funeral arrangements, and photography. Suppliers include companies from France, Germany, Norway, UK, Italy, Sicily, Hungary, China, India, and Spain. Products include essential oils, soaps and luxury food products such as sardines, truffles, preserves, jam, Hungarian paprika, Chinese tea, olive oil, caviar, liqueurs, foie gras, sardines, and ketchup. Two Montreal-area manufacturers are represented, with a catalogue from Couvrette Sauriol Limitée (1937) and a brochure for the Stuart Brothers. Included is one letter from postwar France soliciting renewed a commercial relationship following the allied victory (Royal Champignon). There are also bulletins from and correspondence with, including one outgoing letter, the Canadian Department of Agriculture regarding quality and labelling of canned fruits and vegetables.

A few letters are personal in nature and addressed to Henri Jonas himself. There are also telegrams and letters from Canadian organizations such as the Pacific Railway Company, and Canadian societies and organizations to which the company donated money (Canadian Society for the Prevention of Cruelty to Animals, Montreal Orchestra, Hospital for Sick Children London, Salvation Army, McGill University Centennial Endowment).

Some of the company's advertising materials are also found, as well as food labels for products including mushrooms, wine, truffles, olive oil, sardines, and lemonade).

File consists of an autograph letter addressed to Messrs Armour & Ramsay, Montreal, concerning sale of the Montreal Gazette newspaper and associated finances.

File consists of handwritten manuscript document summarizing research undertaken in relation to sale and purchase of the Montreal Gazette newspaper, including details on meetings with various professionals associated with the newspaper industry, including a journalist for the New York Morning Herald and owner of the New York Albion (John S. Bartlett).