Some vols. include supplemental journals of "such proceedings of the sessions, as, during the time they were depending, were ordered to be kept secret, and respecting which the injunction of secrecy was afterwards taken off by the order of the House".

The United States Code, 2006 Edition, contains the General and Permanent Laws of the United States Enacted Through the 109th Congress (Ending January 3, 2007, the Last Law of Which was Signed on January 15, 2007).

Contains additions to and changes in the general and permanent laws of the United States enacted during the 108th Congress, 1st Session.

The Congressional Record is the official record of the proceedings and debates of the United States Congress. It is published daily when Congress is in session. The Congressional Record began publication in 1873. Debates for sessions prior to 1873 are recorded in The Debates and Proceedings in the Congress of the United States (1789-1824), the Register of Debates in Congress (1824-1837), and the Congressional Globe (1833-1873)