The Encyclopedia of American Government offers thousands of accessible encyclopedia A to Z entries on the:
You can also view and download images and primary source documents that bring history to life, including helpful charts, tables, and graphs.
Browse images by topic, or view an A-to-Z list. Images can be downloaded for papers and presentations, and a citation is provided.
Moore, J. L. (2003). Voters in the 2000 national elections. Elections a to z (2nd ed.). http://library.cqpress.com/eag/elaz2d-156-9272-562605
The Primary Sources section includes the full text of a number of important documents including the U.S. Constitution, Declaration of Independence, the Mayflower Compact, and the Virginia Plan.