Lysander Spooner. "The Unconstitutionality of Slavery." Stated seventh thousand. xii, 289 pages; includes front wrapper. Boston: Bela Marsh, 1860 (first edition 1845).
[James De Peyster Ogden.] "Address to the Whigs of the State of New-York, on the Subject of Abolition and Agitation, by Publius." 16 pages. New York, 1850.
"Selections from the Speeches and Writings of Prominent Men in the United States on the Subject of Abolition and Agitation." 69 pages. New York, printed by J.W. Wright, 74 Fulton Street, 1851.
Thomas R. Dew. "An Essay on Slavery." 115 pages. Second edition. Richmond, VA: J.W. Randolph, 1849.
T.W. Hoit. "The 51 pages. "Southern and Western Edition." St. Louis, MO: Bushnell, 1860.
Samuel Nott. "Slavery, and the Remedy; or, Principles and Suggestions for a Remedial Code." 118 pages. Second edition. Boston: Crocker and Brewster, 1856.
