- 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., New-York Historical Society
- Four-page letter dated March 5, 1847, from L. [Lysander] Spooner in Winchendon [Massachusetts] to George Bradburn in Cleveland, Ohio, expressing his frustration at the actions of several prominent abolitionists, including William Lloyd Garrison and Gerrit Smith. Includes manuscript copy of an article published in the Liberator, which mentions George Bradburn., New-York Historical Society
- Two letters on four pages. First, a letter dated May 2, 1847, from L. [Lysander] Spooner in Athol [Massachusetts] to George Bradburn in Cleveland, Ohio, regarding Spooner's work and its publication. Second, a letter dated May 3, 1847, from George Hoyt [also in Athol] to Bradburn, New-York Historical Society
- Four-page letter dated August 25, 1847, from L. [Lysander] Spooner in Boston [Massachusetts] to George Bradburn in Cleveland, Ohio, instructing on where to send letters to Mrs. [Elizabeth] Sargeant, and to pick up a letter from her friend, Miss Julia Johnson. Also discusses abolitionist activities and arguments appearing in Spooner's new book., New-York Historical Society