KF50 .U5 (1st Floor)
1937 to present
Text of laws as passed by Congress and signed by the presidents
Federal Docs X1.1: (3rd Floor)
1873 to present
Verbatim record of debates and actions in Congress
Also called "statutes," "acts," or "codes." "Regulations" too have the force of law.
Ref JK1 .C749 (4th Floor)
1945 to present
Overview of Congressional actions & documents year-by-year since 1945.