clean bill - Generally, after a committee has amended legislation, the chairman may be authorized by the panel to assemble the changes and what remains unchanged from the original bill and then reintroduce everything as a clean bill. A clean bill may expedite Senate action by avoiding separate floor consideration of each committee amendment.
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.