The United States Electoral College
A detailed explanation of the electoral college as well as an historical database of presidential election data. The site is maintained by the National Archives and Records Administration and has links to other government data sets pertaining to elections on all levels of government.
Common Cause
Common Cause is a nonprofit, nonpartisan citizens lobbying organization promoting open, honest, and accountable government. This site contains a searchable database of special-interest soft-money contributions to the Democratic and Republican national party committees, as well as a database of materials that focus on the impact of big money in politics.
Presidential Election Statistics
A graphical presentation on each of the U.S. presidential elections, providing both electoral and popular votes. This site is run by MultiEducator Incorporated, an online education company that offers free access to many of its files over the internet.
American National Election Studies
Probably the single most important source of data for students of American elections. This impressive collection of election surveys conducted from the 1950s to the present is the source of many of the figures and tables that appear in this book.