History of the Rise and Fall of the Slave Power in America. By Henry Wilson, 3 vols. Third edition. Boston: James R. Osgood & Co., 1875.
Lincoln and Slavery. By Albert E. Pillsbury. Boston and New York: Houghton Mifflin Co., 1913.
Abraham Lincoln: The Evolution of His Emancipation Policy. By Paul Selby. Chicago Historical Society, 1909.
Anti-Slavery History: State and Nation. By Austin Willey. Portland, Maine: Hoyt, Fogg & Donham, 1886.
The Dred Scott Decision. New York: D. Appleton & Co., 1857.
The Martyrdom of Elijah P. Lovejoy. By H. Tanner. Chicago: Fergus Printing Co., 1881.
Dedication of Lovejoy Monument, November 8, 1897. Alton, Ill.: Charles Holden, 1897.
The Underground Railroad. By William M. Cockrum. Oakland City, Ind.: J. W. Cockrum Printing Co., 1915.
Lincoln, Grant, and the Freedmen. By John Eaton. New York: Longmans, Green & Co., 1907.
The Negro a Beast. By Charles Carroll. American Book and Bible House, St. Louis, 1900.