- Manuscript copy of a letter dated June 27, 1770, from Adams & Griffin of Richmond [Virginia] to William and Samuel Vernon of Newport, Rhode Island regarding remittance of payment to London merchant Thomas Adams. Followed by a letter that includes further billing from Perkins Buchanan & Brown of London and a discussion of projected agricultural markets for the upcoming fall. Adams & Griffin note that slaves "are in the greatest demand, and the first that arrive will sell at a good price."
- Manuscript copy of a letter from Adams & Griffin of Richmond [Virginia] to William and Samuel Vernon of Newport, Rhode Island dated February 8, 1771, regarding payments to Captain William Tanner for shipments and discussing the slave market in Richmond in anticipation of a slave shipment from "the Coast" delivered by Captain John Duncan. Followed by a letter in which Adams & Griffin further report on the state of the Richmond market, noting the great demand for slaves. In companion letter, Richard Adams mentions the marriage of William Griffin to Susan Chiswell, widow of John Robinson.
- Letter dated September 1, 1769, from Adams & Griffin of Richmond [Virginia] to William and Samuel Vernon of Newport, Rhode Island regarding the slow sale of slaves shipped on the Brig Othello, citing their poor condition. Followed by a letter signed by Adams & Griffin to that the remaining slaves had been sold. Includes list detailing the "state of the market."