Ben's Guide to U.S. Government for Kids: Election Process
Election Information (United States House of Representatives)
Elections: Views on Implementing Federal Elections on a Weekend (General Accounting Office)
Elections (United States Senate)
Elections and Voting (Library of Congress)
Federal Election Commission
Federal Election Commission Publications
Federal Election Commission 2016 Presidential Elections
Federal Voting Assistance Program: Voting Help for Uniformed Service Members, Their Families, & Citizens Living Outside the U.S.
Presidential Election Process (USA.gov)
Statistical Abstract of the United States (1990-2012): Elections (section 7)
Statistical Abstract of the United States (2013 - Present ProQuest): Elections (section 7)
United States Election Assistance Commission
U.S. Electoral College (National Archives and Records Administration)
Voter Registration, Requirements, and Deadlines (USA.gov)