Via Jennifer Manning on GovDoc – “Starting Tuesday, November 19, the main URLs for THOMAS [http://www.thomas.gov, http://thomas.gov and http://thomas.loc.gov] will be redirected to the new beta congress.gov system [ http://beta.congress.gov ].
Permanent links (e.g. “handles”) and links to subpages (for example: http://thomas.loc.gov/home/
THOMAS will remain fully operational and updated, and available at the following URL: http://thomas.loc.gov/home/
These changes will remain in effect until late 2014, when the transition is completed and THOMAS is scheduled to be retired.
Please read the press release at http://www.loc.gov/today/pr/