FDSys is the Government Publishing Office's index to full-text government information.
(In addition to the major indexes listed below, FDSys includes some miscellaneous publications such as the House and Senate manuals of procedure. Consult their main index page.)
Note that GPO is unveiling an eventual replacement and upgrade for FDSys, called govinfo.gov. Try it out and find out more about it here:
The following databases of full-text legal and regulatory information are offered using FDSys'; powerful search capabilities. Dates given are as of the latest revision of this guide; they are continually adding more retrospective material:
Almost all of the Library's Congressional publications are listed in the Online Catalog. When an electronic version of a publication is available, there will be a link to it in the cataloging record.