Further Reading
Albert J. Beveridge, Abraham Lincoln, 1809–1858 (Boston, 1928), volume two.
Rodney O. Davis and Douglas L. Wilson, The Real Issue: Debates between Stephen A. Douglas and Abraham Lincoln in 1858 (Urbana, 2008).
Don E. Fehrenbacher, Prelude to Greatness: Lincoln in the 1850s (Stanford, 1962).
Richard Allen Heckman, Lincoln vs. Douglas (Washington, 1967).
Harry V. Jaffa, Crisis of the House Divided: An Interpretation of the Issues in the Lincoln-Douglas Debates (Garden City, 1959).
Robert W. Johannsen, Stephen A. Douglas (New York, 1973).
Edwin Earle Sparks, ed., Collections of the Illinois State Historical Library, vol. III: The Lincoln-Douglas Debates of 1858 (Springfield, 1908).
Damon Wells, Stephen Douglas: The Last Years, 1857–1861 (Austin, 1990).
David Zarefsky, Lincoln, Douglas and Slavery: In the Crucible of Public Debate (Chicago, 1990).