Biographical Directory of the United States.
http://bioguide.congress.gov/biosearch.asp

Capital Web Works.
http://www.capweb.com/

Common Cause.
http://commoncause.org/

Comprehensive guide to American politics.
http://politics1.com/

Congressional E-Mail Directory.
http://www.webcom.com/-leavitt/cong.html

Congressional Quarterly- American Voter.
http://www.cq.com/

Contacting the Congress.
http://www.visi.com/juan/congress

Current and last years full text of legislation, all versions of the House and Senate.
http://www.thomas.loc.gov/

House of Representatives.
http://www.opensecrets.org/

Money in Politics Data.
http://www.fundrace.org/
http://www.politicalmoneyline.com/
http://www.followthemoney.org/

National Conference of State Legislatures.
http://www.ncsl.org/

Politics UK- Business political donors.
http://user.powernet.co.uk/hack/sleaze

Senators.
http://www.senate.gov/

U.S. Goverment.
http://firstgov.gov/

Vote Smart.
http://www.vote-smart.org/

White House.
http://www.whitehouse.gov/