Calendar of Business - A Senate publication sent to each lawmaker's office (and other offices) every day the Senate is in session. It contains information on, for instance, measures reported from the various standing committees, bills in conference, and the status of appropriation bills.
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.