- Manuscript copy of letter from Francis Mairez and David Cooper of Montego Bay, Jamaica, [to Samuel and William Vernon], sent via Captain George Sweet on the Brig Othello, regarding profits from slaves sold on the Vernon's behalf and other trade business. Followed by a second letter dated August 22, 1775, from Mairez and Cooper [to the Vernons] regarding their accounts current.
- Inventory of goods consigned to Captain George D. Sweet aboard the Brig Othello, owned by Samuel and William Vernon of Newport, Rhode Island, departing Rhode Island to the Coast of Africa. Includes instructions that read, "To insurance in London, from thence to Affrica [Africa] at and from thence to market with slaves at 8 guineas." On back, "Invoice of slops [?] sent on board," such as frocks, hats, shoes, and rum.
- Unsigned letter with no addressee regarding charges from Captain [Thomas] Rogers [possibly on the Brig Othello] for wood, canoe hire, corn, and water. The author writes that, "if you possibly can imagine this to be a reasonable charge, pray allow it to him - but it is more than double we were ever charg'd by those that brought off twice the number of slaves."