File consists of five business letters from Henry McKenzie written between May 1805 and September 1813, including letters to various societies describing business opportunities. May 1805 letter from written St. John's, where McKenzie talks of procuring biscuit and flour.

File includes twelve documents plus bill of lading to Mackenzie, Oldham & Co. These business letters discuss importing and exporting of read, flour, molasses, sugar, rum, beef, etc., and trade with the West Indies. There is some mention of the conflict between Canada and the U.S. and how it affected business.

File includes a letter from Isaac Todd to Mackenzie, Oldham & Co. Todd relays the request from Mr. Morrogh to send a bill for a shipment received in June of 500 barrels.

File includes a letter addressed to Mackenzie, Oldham & Co. Letter concerns a shipment of flour being unloaded from the Desire which was smaller than originally requested. Asks if the 400 barrels for the N.E. Department are ready.

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 2 letters addressed to Jacob Oldham and Messrs. Mackenzie, Oldham & Co. from Pangman at his manor Grace Hall in Mascouche. In the letter dated 1804, Pangman orders goods from Oldham (green rave, bread and veal) and asks to have the amount put on his account. In the second letter, he denies accusations of "dispersions" and disrespects made by an unidentified individual as reported to him in a letter from Mackenzie, Oldham & Co. and briefly mentions losing an amount of money and wanting to deliberate on whether to pay another sum.

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.

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 two letters sent to Mackenzie, Oldham & Co. Items concerning the purchase of flour from Mackenzie, Oldham & Co., delivered to the End of the Island. One item is an agreement that McTavish, McGillivrays & Co. will purchase 2000 barrels at $8 per barrel, and the other is an account stating that they purchased 400 barrels.