Federal Election Commission
Campaign finance reports and data, laws and regulations, interactive campaign finance maps.
Electoral College
Information and historical data on the electoral college from the U.S. National Archives
Census: Voting and Registration Data
Census Bureau data on registration and voting by demographic and socioeconomic groups. 1964-present.
This guide suggests resources available through Duke Libraries for the academic study of campaigns and elections in the US.
For a few selected free sites on current events, voter education organizations, political blogs etc. see the 2012 Elections tab.
Congressional Quarterly's Guide to U.S. Elections e-book 2010
The electoral process, analysis of specific eras and issues, historical coverage of federal and gubernatorial elections.
Elections A to Z print 2008
Summary of the major parties' conventions, debates, presidents and vice-presidents, members of Congress
The Oxford handbook of American elections and political behavior e-book 2010
Chapters cover research design, political participation; vote choice; presidential and non-presidential elections; issues, interests, and elites as influences on individuals' political behavior.
Encyclopedia of U.S. Campaigns, Elections, and Electoral Behavior e-book, 2008
Encyclopedia of Media and Politics, print 2007
Encyclopedia of politics, the media, and popular culture e-book 2009
CQ Press Voting and Elections
Includes an encyclopedia, facts & figures, biographies
Political Parties and Elections in the United States: an encyclopedia print, 1991
American political history from colonial times to the Bush administration.
Politics in America [e-book](2000-present) and [print](1990-present)
Almanac of American Politics [electronic resource] (1998 to present) and [hardcopy] (1972 to present)
Encyclopedia of Minorities in American Politics 2000
Covers key issues that face minorities in American politics. Volume I: African and Asian Americans; Volume II: Native and Hispanic Americans.
Appendices include speeches and documents.
Almanac of Federal PACs
print (from 1986)--latest 2009 in Perkins Reference
Open Secrets.org
Who’s giving how much to whom (primarily from 2000 election to present)