CRS Legislative Histories
The Congressional Research Service works for the Congress, conducting
research, analyzing legislation, and providing information at the request
of committees, members, and their staffs.
CRS has produced three major summaries of the legislative history of the Social Security Act.
Major Decisions in the House
and Senate Chambers on Social Security: 1935-1985
(Adobe PDF format)
Social Security: Summary of Major Changes in the Cash Benefits Program: 1935-2000
Major Decisions in the House and Senate on Social Security: 1935-2000