- Manuscript copy of a correspondence between Edmund Jackson and Hon. Robert C. Winthrop, in which Jackson asks for Winthrop's position on slavery before his election to United States Congress. Includes Winthrop'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.", New-York Historical Society
- Letter to the Mayor [Samuel Atkins Eliot] and Aldermen of Boston [Massachusetts] from Francis Jackson and 11 other committee members [of the Massachusetts Anti-Slavery Society] arguing a recent denial for permission to use Faneuil Hall for a meeting about slave trade in the District of Columbia., New-York Historical Society