- Manuscript copy of a correspondence between Edmund Jackson and Hon. Robert C. Winthorp, in which Jackson asks for Winthorp's position on slavery before his election to United States Congress. Includes Winthorp's response dated November 2, 1840, in which he replies that he "cannot regard it as desirable or expedient to attempt any alteration of the Constitution in relation to slavery."
- List of donations [to the Massachusetts Anti-Slavery Society] from ca. 110 people belonging to various churches. Divided into columns labeled Orthodox, Baptists, Methodist, and Unitarian. Some of the names included in the list are: James Trask Woodbury, G. Buckingham Wilcox, Giles Pease; E. A. (Edward Ainsley) Stockman, Abijah Stowell, Benjamin Whitmore, Luther Sheldon, Asaph Meriam, C. T. Tucker, and Charles Manning Bowers.
- Petition letter [from the Massachusetts Anti-Slavery Society] asking the Senate and House of Representatives of the Commonwealth of Massachusetts to protest in United States Supreme Court against the wrongful imprisonment of "colored citizens" employed on trade ships arriving at the ports of slaveholding states.