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).

One undated list of documents concerning the Fiefs Cournoyer, and two letters, one from each of Michel Hertel de Cournoyer and Jacqnes l'Ange Hertel de Cournoyer, her brothers.

Documents (3) which include Charles Le Moyne de Longueuil's marriage contract and a grant by him to Paul-Joseph LeMoyne, le Chevalier de Longueuil, of an arrière-fief in the Barony of Longueuil

This material documents the estate of Mrs. Charlotte Frobisher and includes a copy of her will and an inventory, 1820.

• Copy of Last Will and Testament pp. 1-3
• Household inventory pp. 4-11 (1820)
• Account of estate sale pp. 12-29 (1816)
• Account of bequeathals pp. 30-57 (1810-1821)

Collection of business and personal, incoming and outgoing correspondence. Includes loose ledger pages, financial invoices, and credit receipts.

File contains typed transcripts from the two volume John McDonald autobiographical notes.

File contains 2 items which are copies of legal documents. One is an extract of the creation of the Seigneurie de La Prairie-de-la-Magdeleine. The other is an account written over many month of the transfer of lands and moneys involving James McGill.

File contains personal ledger (cashbook) of James McGill from 1809-1817.

File contains 2 copies of the Desrivières family genealogy (family tree) from 1764 to the 20th century, including a list of sources, prepared by the McGill University Archives.

Black leather-bound sketchbook containing visual content of an architectural nature as well as plans for a panel painting.
Architectural sketches include a building interior of a staircase, and a building exterior of of Weaponness Park in Scarborough England. The sketchbook includes a sleeping cat, a still life ink drawing of dried seaweed, soldiers, and a throne.

A mid-section of the sketchbook indicates Crane’s preliminary work for a commission. It includes a centralized composition of an enthroned figure followed by a processional figures on horseback, a floor plan, pages of notes with the repeated letters H.A.C., and costumed soldiers. These pages may have been part of the preliminary work that Crane did for his early twentieth-century commission to commemorate the soldiers of the Honorable Artillery Company (H.A.C.) who lost their lives during the Boer War.

Much of the textual content includes architectural and artistic terminology, such as cornices, wood carving, modelled panel. The notes contain information on measurements, on materials, and colours, types of clothing, and weapons. Numbers appear as dimensions, sums of money in British pounds, and time tables for the train. Evaluative language of student work appear under the headings “Reading College - Examination.”

The medium pencil on paper and ink on paper. The sketchbook includes a dried flower.