The Library of Congress ("LOC") is the research library that officially serves the United States Congress and is the de facto national library of the United States.

It is the oldest federal cultural institution in the United States.

The Library is housed in three buildings on Capitol Hill in Washington, D.C.; it also maintains the Packard Campus in Culpeper, Virginia, which houses the National Audio-Visual Conservation Center.

Congress.gov is the online database of United States Congress legislative information.

A project of the Library of Congress, it was in beta in 2012, and launched on July 5, 2016 superseding THOMAS.

The Congressional Record is the official record of the proceedings and debates of the United States Congress, published by the United States Government Printing Office and issued when Congress is in session.

Indexes are issued approximately every two weeks.

At the end of a session of Congress, the daily editions are compiled in bound volumes constituting the permanent edition.

Statutory authorization for the Congressional Record is found in.

The United States Congress is the bicameral legislature of the federal government of the United States consisting of two chambers: the Senate and the House of Representatives.

The Congress meets in the Capitol in Washington, D.C. Both senators and representatives are chosen through direct election, though vacancies in the Senate may be filled by a gubernatorial appointment.

Members are usually affiliated to the Republican Party or to the Democratic Party, and only rarely to a third party or as independents.

Congress has 535 voting members: 435 Representatives and 100 Senators.

The House of Representatives has six non-voting members in addition to its 435 voting members.

These members can, however, sit on congressional committees and introduce legislation.

These members represent Washington, D.C., Puerto Rico, American Samoa, Guam, the Northern Mariana Islands and the U.S. Virgin Islands.

A Member of Congress (MOC) is a person who has been appointed or elected and inducted into an official body called a congress, typically to represent a particular constituency in a legislature.

Member of Parliament (MP) is an equivalent term in other jurisdictions.