The legislative process begins when a bill is introduced in the Senate or the House of Representatives. A bill may undergo many revisions as it works its way through the legislative process. An enrolled bill is the version of the bill that was passed by Congress.
| Library of Congress | House Bills and Resolutions | 6th Congress - 42nd Congress | Open Access |
| Library of Congress | Senate Bills and Resolutions | 16th Congress - 42nd Congress | Open Access |
| FDsys | Congressional Bills | 103rd Congress - present | Open Access |
| WestlawNext | Historical Proposed Legislation | 104th Congress - present | Special Restrictions |
| Congressional Bills | 73rd - 107th Congress | Fiche Cabinet: #23, Drawer 3 - #24, Drawer 4 | Legal Information Center |
| Congressional Bills | 1st - 55th Congress | Microfilm | Library West |
*Note: To access Congressional bills between the 56th and 72nd Congress (1899 - 1933), please contact the Law Library of Congress for information
