parliamentarian - The parliamentarian is the Senate's advisor on the interpretation of its rules and procedures. Staff from the parliamentarian's office sit on the Senate dais and advise the presiding officer on the conduct of Senate business. The office also refers bills to the appropriate committees on behalf of the Senate's presiding officer.
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.