Election Results of the1858 Campaign Permission: Abraham Lincoln Historical Digitization Project | 
Election Results of the1858 Campaign Permission: Abraham Lincoln Historical Digitization Project | 
Knox College, Galesburg, Illinois; Site of the Fifth Lincoln-Douglas Debate, Oct 7, 1858 Permission: Chicago Historical Society |
Quincy, Illinois, Site of the Sixth Lincoln-Douglas Debate, October 13, 1858 Permission: Chicago Historical Society | 
Honest Old Abe on the Stump Permission: Chicago Historical Society | 
Lincoln and Douglas Permission: Chicago Historical Society |
Lincoln Douglas Debate - Sepia Permission: University of Chicago | 
Abraham Lincoln in 1858; Hannibal, Missouri Permission: Chicago Historical Society | 
Abraham Lincoln, Abrotype; Urbana, Illinois Permission: Northern Illinois University |