HeinOnline’s U.S. Congressional Documents Collection
The Congressional Record, first published in 1873, is essentially the complete printed chronicle of debates, proceedings and speeches of the United States Congress.

LexisNexis U.S. Serial Set Digital Collection
The U.S. Serial Set, an ongoing collection of U.S. Government publications compiled under the directive of Congress, provides unparalleled insight into the legislative intent of laws enacted by Congress.