appeal - When the Chair rules on a point of order, any Senator may appeal the ruling, in which case the full Senate makes a final decision on the point of order by voting whether to sustain or reverse the ruling.
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.