The Lincoln Institute's site contains an essay that examines Abraham Lincoln's campaign during election of 1860.

The UVA Miller Center presents an essay on Abraham Lincoln's 1860 and 1864 presidential campaigns.

The American Presidency Project website presents election results from the 1860 presidential election. This site also contains the Republican Party Platform, External Democratic Party Platform , External Democratic Party Platform (Breckinridge Faction), External the Constitutional Union Party Platform , External

House Divided: The Civil War Research Engine at Dickinson College. This site compiles documents, images, and events related to the presidential election of 1860.

The Encyclopedia Virginia presents an essay on the presidential election of 1860.

This HarpWeek website features political cartoons from Harper's Weekly, Leslie's Illustrated Weekly, Vanity Fair, Puck, Judge, and American Political Prints, 1766-1876: A Catalog of the Collections in the Library of Congress. It provides explanations of the historical context and images of each cartoon, campaign overviews, biographical sketches, a review of the era's major issues, and other valuable information related to the 1860 presidential election.

U.S. House of Representatives: Historical Highlights. On February 13, 1861, Congress met in a Joint Session to count the Electoral College votes to certify the results of 1860 presidential election.