GovInfo - Choose one of the “Congressional Bills” databases, 1993-

Congressional Bills and Resolutions 

Legislative Histories and Bill Tracking 

Congressional Universe (requires login) -  Full text of bills and bill tracking is available from 1989 -

Govtrack.us - tracking US congress -- people and committees, bills-legislation, voting record

Digest of Public General Bills and Resolutions, 1946-1990. (Request DOCS LC 14.6:)
  A concise summary for each session of Congress of provisions of public laws and other legislative measures with legislative history.
  Indexes for sponsors and cosponsors; short title; and subject.

Weekly Compilation of Presidential Documents, 1965- , (DOCS AE 2.109)
   Statements, messages, and press conferences of the President on many subjects, including legislation.
   Annual and quarterly index.

U.S. Statutes at Large, 1789- Bound volumes of laws as passed through Congress. Browse (via Govinfo) 1995-

Congressional Universe  (login required) – choose “Legislative Histories, Bills, and Laws” then limit search by Congress

CIS Index and Abstracts, 1970 – 1996 (DOCS INDEX) - See Legislative Histories for Public Law numbers.