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."

Hinds' precedents of the House of Representatives of the United States is an eight-volume publication prepared by Asher C. Hinds (1863-1919) that was originally published in Washington, D.C. by the U.S. Government Printing Office during 1907-1908. The publication focuses on the parliamentary practices of the U.S. Congress, and is presented online by the U.S. Government Printing Office.