Typically bills go through various stages on their way to becoming law. As Congress goes through the legislative process, various documents are created that can serve as useful sources of information.
Resources Available to Everyone
Includes bills, laws, committee reports, the Congressional Record, treaty documents, and executive communications to Congress.
Congressional Research Service (CRS) Reports - the CRS conducts research on a wide range of topics at the request of members of Congress. The reports can be quite valuable.
Sources Available to SCU members (and guests with authorization)