Library of Congress: Official site of the national library of the US. Basic and advanced catalog search including books, periodicals, photographs, images, and sound recordings. Sections for librarians, archivists and researchers

Office of the Clerk: Find historical information about the House of Representatives and information about its Members and Committees. Includes information on the legislative process and activities and how to obtain copies of House documents, public disclosure reports and educational resources

Speaker of the House: Official site. Provides news, information on issues, and links to historical documents

U.S. Senate: Official site of "the living symbol of our union of states." Connect with Senators, and learn about Senate committees, legislation, records, art, history, schedules, news, tours, and visits. Reference material is included too

United States House of Representatives: Information on the lower body of the federal legislature: about the legislative process, this week's House calendar, committee schedules, roll call vote records, and links to House committees and individual members of Congress