- 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., New-York Historical Society
- Resolution produced by the Commonwealth of Massachusetts that the United States Congress must abolish slavery in the District of Columbia. Includes note that the "resolves were passed by the House in the 21st, & by the Senate of the 23 March" and that the resolutions are the same as are referred to in the letters of E. Jackson and R. C. Winthrop., New-York Historical Society
- List of donations [to the Massachusetts Anti-Slavery Society] from circa 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., New-York Historical Society