- Manuscript copy of a letter dated July 5, 1756, from Austin & Laurens of Charleston, South Carolina, to William and Samuel Vernon of Newport, Rhode Island regarding difficulties selling a shipment of "refuse slaves." In companion letter, Austin & Laurens discuss further slave shipments and mention a dispute with Benjamin Yarnold, who attempted to return a female slave that fell ill the day after purchase.
- Charles Sumner (1811-1874) was a United States senator from Massachusetts and a campaigner against slavery. This is a draft, ca. 1855, of a version of the speech delivered in New York on May 9, 1855, and published that year under the title "The anti-slavery enterprise." Internal evidence indicates that it was to be delivered to a Boston audience, probably on May 15, 1855.