- Four-page letter dated December 26, 1845, from Lysander Spooner in Athol [Massachusetts] to George Bradburn in Boston [Massachusetts], expressing desire to distribute his book [The Unconstitutionality of Slavery] to members of the United States Supreme Court and discussing other opinions on the state of the abolitionist movement.
- Four-page letter dated February 23, 1846, from George Bradburn in Lowell [Massachusetts] to Lysander Spooner in Athol [Massachusetts], in which he copies a letter received by James Haughton [?] of Dublin, who discusses Spooner's work, and metions the affections of Elizabeth Sargeant. Followed by an additional note dated February 24, in which he mentions [Samuel E.] Sewall's criticisms of Spooner's work.
- Four-page letter dated December 7, 1846, from Lysander Spooner in Winchendon, Massachusetts, to George Bradburn in Cleveland, Ohio, discussing various news of the abolitionist movement, opinions on articles and letters written by Edmund Quincy, Wendell Phillips [and others] and the affections of Elizabeth Sargeant.