- Two-page letter from the Antislavery Office, Philadelphia, giving notification for an Antislavery convention to be held in Harrisburg [Pennsylvania] on December 19, 1837, with the intent of organizing a State Antislavery Society. Signed by committee members of the Friends of Immediate Emancipation in Pennsylvania. Letterhead features engraving 'A Colored Young Man of the City of New York, 1835' by P. Reason.
- One-page letter dated January 5, 1855, from William Goodell on behalf of the American Abolition Society in New York, to Lysander Spooner in Boston, Massachusetts, ordering a supply of his book, The Unconstitutionality of Slavery, for distribution to all members of congress, as well as additional copies to sell and give away.
- List titled "April 1847," including Richard Hildreth, Harriet C. Capen, J. & E. Bales, G. C. Leach, Paul Morrill, Edward Rohan, J. K. Blasdell, Artemas White, Willis & Co., Ellis G. Loring, Wetherbee Brothers, Joel Brett, Thacher Beal, Hiram Davis, Jacob Berkmaer, Charles N. Chandler, Sundry tenants [of] 45 Congress St. and ca. 65 others.