- Printed letter entitled "Letter of Gerrit Smith, to the Liberty Party of New-Hampshire" dated Peterboro, March 18, 1849 on 1 folded sheet ([4] p., the last page blank). On verso, labeled "Circular" and addressed in Gerrit Smith's hand to Lysander Spooner in Boston, Massachusetts., New-York Historical Society
- One-page printed form letter dated February 27, 1856, announcing a "Mass-Convention at Syracuse, N.Y." on Wednesdsay, May 28, 1856, and asking for nominations for President and Vice President of the United States "not merely Anti-Slavery Candidates, but thorough Abolition Candidates." Endorsed by ten names, including Gerrit Smith, Lewis Tappan, and William Goodell., New-York Historical Society
- Undated pledge of moneys to be paid to Lysander Spooner for "a review of Judge Kane's late decision, that the U.S. Courts have no constitutional right to punish for contempt without trial by jury." Signed by several prominent abolitionists, including Ellis Gray Loring, Francis Jackson, and Samuel E. Sewall., New-York Historical Society