- Letter from Phillips & Gardner of Charleston [South Carolina] to Mess. Gardner & Dean [of Newport, Rhode Island] regarding the Charleston slave market and payments to Mess. Tisdale & Dean, Captain Burdick, and Captain John Brown. On back, list of expenses incurred by Phillips & Gardner., New-York Historical Society
- Letter from Phillips & Gardner of Charleston [South Carolina] to Mess. Gardner & Dean [of Newport, Rhode Island] regarding Charleston slave trade and cargo aboard the Brig [Sloop] Louisa. Includes inquiry about business with Mr. D'Wolf [possibly James De Wolf of Bristol, Rhode Island]., New-York Historical Society