Milestone Documents of the U.S. Congress is the definitive reference set for understanding American legislative history through its most pivotal primary sources. Spanning the full sweep of American history—from the first U.S. Congress to the present day—this comprehensive three-volume set offers students and researchers an unparalleled window into the evolution and actions of the legislative branch. This set is the third installment in our American Government trilogy, along with Milestone Documents of the Supreme Court (2023) and Milestone Documents of American Presidents (2025).