Sixteen-page letter from Lysander Spooner in Worcester [Massachusetts] to Gerrit Smith, dated July 17, 1849, explaining his arguments against slavery, and Smith's financial obligations towards Spooner for his legal advice on the matter., New-York Historical Society
One-page letter from the law office of Sedgwick, Andrews and Kennedy in Syracuse [New York] to Lysander Spooner dated March 31, 1860, asking for legal advice in the case Valarius [Velerino?] vs. Thompson [?]., New-York Historical Society
Four-page letter from J.E. Paine in New York to Lysander Spooner [in Boston, Massachusetts] dated May 9, 1863, in which he requests that Spooner forward some of his publications and asks for legal advice concerning the trust left by his late father-in-law., New-York Historical Society
Three-page letter from L. [Lysander] Spooner in Boston [Massachusetts] to J.E. Paine [in New York] dated May 11, 1863, giving some legal advice at Paine's request., New-York Historical Society