Volumes for 1950-19 contained treaties and international agreements issued by the Secretary of State as United States treaties and other international agreements.

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).

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".