- Four-page manuscript draft of a letter from L. [Lysander] Spooner in Boston [Massachusetts] to Gerrit Smith dated September 30, 1860, discussing Smith's libel suit and correspondence from Col. [Charles] Miller. Last two pages titled "This is a postscript to one of Sept. 30 ,1860" are pasted into the fold., New-York Historical Society
- Two-page letter from L. [Lysander] Spooner in Boston [Massachusetts] to Gerrit Smith dated October 30, 1863, asking Smith to return all letters ever sent to him by Spooner, with the exception of those referring to his libel suit in 1860. Note on envelope refers to Smith's response, with which this letter was returned to Spooner., New-York Historical Society