enrolled bill - The final copy of a bill or joint resolution which has passed both chambers in identical form. It is printed on parchment paper, signed by appropriate House and Senate officials, and submitted to the President for signature.
Congressional Sessions lists all Congresses and corresponding years - from 1789, when the 1st Congress met, through the current Congress.
You can access legislative information, by bill number or key words, from the THOMAS Web site. Information from the present back to the 93rd Congress (1973) is available on THOMAS.
For information on the Senate, Congress, the legislative process and the federal government, the Virtual Reference Desk is a good place to begin.