- Account record of Gardner and Dean, "in acct with Phillips & Gardner," in Charleston [South Carolina], listing expenses and profits associated with the selling of slaves from February, 1806, through March, 1806. Includes names of purchasers, D. Vaughn, John Gardner, Littlefield, J. Brinley, J & Dean, B. J. & Cooke, and J. [John] Marsh., New-York Historical Society
- Account record of Gardner and Dean, "in acct with Phillips & Gardner," in Charleston [South Carolina], listing expenses and profits associated with the selling of slaves from April, 1806, through May, 1806. Includes names of purchasers, E. [probably Edward] Tayer and R. Carter., New-York Historical Society
- Invoice for a trunk of merchandise shipped from Newport [Rhode Island] by Samuel C. Taggart for Gardner & Dean on the Brig Friendship. Includes instruction to sell the goods on the coast of Africa and use those funds to purchase "Negroes" for sale in Charleston [South Carolina]. Dated March 12th, no year given., New-York Historical Society