Free Election for a Free People, campaign pamphlet with Lincoln and Hamlin, 1860, by J.D. Lovett.

Courtesy Library of Congress, LC-USZ62-90709

Political cartoon: Lincoln and Douglas in a presidential footrace, 1860.

Courtesy Library of Congress, LC-DIG-ppmsa-15777

Political cartoon: The National Game, with John Bell, Stephen Douglas, John Breckinridge, Lincoln, 1860.

Courtesy Library of Congress, LC-DIG-ppmsa-09311

Political cartoon: (L-R) Lincoln, Douglas, Breckinridge (top), Lane (bottom), John Bell, Edward Everett, Horace Greeley, 1860.

Courtesy Library of Congress, LC-DIG-pga-04974

Campaign button, 1860, Lincoln.

Courtesy Library of Congress, LC-DIG-ppmsa_19430

Campaign button, 1860, Hannibal Hamlin.

Courtesy Library of Congress, LC-DIG-ppmsa_19430