Part of Congress.gov, "Yesterday in Congress" provides easy access to legislation introduced, reported, passed, and considered by the full House or Senate each calendar day.

List of all Congressional Member Organizations and Congressional Staff Organizations from the 107th to the current Congress.

Listed on this site are the current leadership and officers for the current Congress.

Listed on this site are the current House leadership and officers.

List of every caucus and congressional member organization of the United States Congress listed by the U.S. House Committee on House Administration from the 109th Congress onward, showing the years each caucus was active.

As the official handbook of the Federal Government, the United States Government Manual provides comprehensive information on the agencies of the legislative, judicial, and executive branches. It also includes information on quasi-official agencies, international organizations in which the United States participates, and boards, commissions, and committees.

Biennial compilation of short official biographies of current members of Congress, along with their committee memberships, terms of service, addresses, and telephone numbers. Also provides addresses and telephone numbers of U.S. government agencies, state and territorial governors, foreign diplomats, and news media personnel, as well as maps of Congressional districts.

Brief biographical information for more than 11,000 persons who have served in Congress. Some entries include bibliographical references.

List of current members and officers of Congress, accompanied by photographs of each. Includes alphabetical list and location of each member's home post office. Directories from the 105th Congress forward are available.

Listed on this site are the current leadership and officers for the current Congress.

Listed on this site are the current House leadership and officers.

Official Web site. Find speeches and official positions of senators on topics such as national service and volunteerism.

Official home page of the United States House of Representatives.

Full-text database of federal legislative information. Search or browse for full text of congressional bills as well as summary, status, and voting records. Also includes presidential nominations and treaties, information on members of Congress, calendars, Congressional Research Reports, historical information, teacher lesson plans, live C-SPAN broadcasts, and more. Full text of Congressional Record and Constitution Annotated.

A service of the U.S. Government Publishing Office (GPO) , GovInfo.gov provides free public access to official publications from all three branches of the federal government. In addition to providing an advanced, metadata-powered search experience, GovInfo.gov also includes a content management system and a standards-compliant preservation repository.

This electronic AFL-CIO voting record will let you know where your lawmakers stand on such working family issues as strengthening Social Security and Medicare, freedom to join a union, and workplace safety.

Founded in 1964 "to mobilize resources for responsible conservative thought across the country and to further the general cause of conservatism," the American Conservative Union (ACU) advocates for conservative policies, ranks politicians based on their level of conservatism, and organizes the Conservative Political Action Conference (CPAC).

ADA is the nation's oldest independent liberal political organization, dedicated to individual liberty and building economic and social justice at home and abroad. The ADA rates year-by-year and state-by-state the Voting Records for members of the House and Senate based on the 20 issues considered to be the most important to the ADA each year. Ratings prior to 1990 are represented by an average score.

BIPAC, an independent, bipartisan organization founded in 1963, works to get pro-business candidates elected to Congress. The BIPAC Web site lists candidates the group has supported in past years and currently supports.

FactCheck.org is a nonpartisan, nonprofit consumer advocate for voters that aims to reduce the level of deception and confusion in U.S. politics by monitoring factual accuracy of what is said by major U.S. political players in the form of TV ads, debates, speeches, interviews, and news releases. Use this site to cut through the spin and verify what is true and what is false.

Official Homepage of the independent regulatory agency that discloses campaign finance information; enforces the limits, prohibitions and other provisions of the election law; and administers the public funding of Presidential elections.

The U.S. Government Accountability Office (formerly General Accounting Office) is an independent, nonpartisan agency that works for Congress. Often called the "congressional watchdog," GAO performs audits and evaluations of Government programs and activities, investigating how the federal government spends taxpayer dollars.

A bipartisan political arm of the national environmental movement, the LVC works to elect a pro-environment majority to Congress and publishes a National Environmental Score Card rating Congressional members on environmental issues from 1993 to the present.

The League, a nonpartisan political organization, encourages the informed and active participation of citizens in elections and government.

Provides non-partisan information for voters in the Presidential election, so that votes can be based on issues rather than on personalities and popularity. Information is compiled by volunteers daily from newspapers, speeches, press releases, and the Internet, then sorted by topic and by candidate.

OpenSecrets is the nation's premier research group tracking money in U.S. politics and its effect on elections and public policy. Nonpartisan, independent and nonprofit, the organization aims to create a more educated voter, an involved citizenry and a more transparent and responsive government.

Reporters and researchers from PolitiFact and its partner news organization examine statements by members of Congress, state legislators, governors, mayors, the president, cabinet secretaries, lobbyists, people who testify before Congress and anyone else who speaks up in American politics. These statements are rated for accuracy and consistency, and a record is kept of whether campaign promises are kept, compromised, or broken

USAspending is the official open data source of federal spending information.

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Vote Smart is a citizens’ organization set up to provide voters with accurate and unbiased information. Their Web site includes biographical information, issue positions, voting records, campaign finances, and interest group ratings. Call the Hotline above to get instant information on candidates and elected officials, or sign up for RSS feeds and API access to stay current.