American Presidency Project
American Presidency Project: 1940 Presidential Election
See a map of the states which supported Franklin D. Roosevelt and which supported Wendell Willkie in the election of 1940. You can find a chart with the popular vote and percentage of vote for each candidate.
University of Virginia
Miller Center at Uva: u.s. Presidents: Franklin Delano Roosevelt: Campaigns and Elections
Discussion and details of Franklin D. Roosevelt's campaigns and elections of 1932, 1936, 1940, and 1944.
270 To Win
270towin: 1940 Presidential Election
Provides detailed electoral facts for the presidential election of 1940 won by Franklin D. Roosevelt. This election was the only occasion in American history in which a candidate was elected to a third term as president.