File consists of an autograph letter from Abraham to his brother, John Abraham of Liverpool, including a discussion of sherry and rice pudding, and describing his 'precarious' situation.

File consists of an autograph letter from Abraham to 'Henderson', describing an 8-day journey across the northern United States and Canada, made in order to undertake research into purchasing of the Montreal Gazette newspaper.

File includes a letter addressed to Mackenzie, Oldham & Co. from Parker, Gerrard, Ogilvy & Co., ordering three to four hundred quintals of biscuit to be delivered at the End of the Island.

File includes two letters addressed to Henry McKenzie from D. Ogden. The first letter refers to a letter on the subject of the Frobisher Estate and says that McKenzie may forward it to Ben Frobisher. In the second letter, Ogden gives his opinion on the matter of McKenzie's purchase of McKay's house in Terrebonne.

Consists of a statement from the Keerper of the Common Gaol of Montreal presented to the Grand Jury of the Court of Oyer & Terminer for the District of Montreal, 1821. The statement declares that the prison under itscurrent configuration is inadequate for the increasing number of prisoners that have been lodged therein rendering it almost impossible to separate different classes of prisoners. The Keeper, Peter Holt, requests that the lower part of the prison ought to be restored to its original use and reunited to the Common Gaol to create more space for prisoners.

File consists of 64 working drawings, 5 preliminary designs, and 4 project files (correspondence, plant material, specifications, minutes of meetings).

Includes two letters sent to Mackenzie, Oldham & Co. The first letter mentions getting 500 barrels of flour for Angus Shaw's posts and 100 barrels for themselves and discusses the possible hiring or purchase of the Desire (N.W. & Co. ship) by Mackenzie, Oldham & Co. The second letter mentions that Mr. Shaw wants to know whether they will be needing one of the vessels belonging to the King's Posts to bring down the flour.

Includes four letters sent to Mackenzie, Oldham & Co. The first letter requests that the Quebec merchants Burns & Woolsey hire a vessel for trade with Newfoundland. The second mentions waiting for the boat and articles paid by Caldwell, Fraser & Co. The third relates to the proper form of the certificates for half the pay of Capt. Osborne and Lieut. Fraser. The fourth relates to the contract for flour and mentions John Well(e)s who has just arrived with information that the Treaty of Trade & Commerce between Great Britain and the United States had been signed in London on Dec. 31st.

File include a copy of a letter from McTavish, Frobisher & Co. to Alexander Fraser of the North West Company. Letter regarding the posts below Quebec lately added to the Company; intended adventure of Capt. Richards to Hudson's Bay; Angus Shaw's appointment be sufficient had he only the King's posts; Mr. Grant refuses to give up the lease at Mingan; insisting that Alex. Fraser maintain the King's posts one more year before returning to the North West; Angus Shaw to go across the country by Lac Mistassini & meet the vessel at Hudson's Bay & Co.

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.