American Bar Association A portal to resources on federal, state and international legislation, the American legal profession, legal research and business and reference information.
American Law Sources Online (ALSO) A compilation of links to free online source of US and Canadian law - covers both Federal and State legislation.
FindLaw A useful site covering Federal and State laws: codes, statutes, regulations, historical documents and background information on US courts and government; also Supreme Court decisions since 1999 and opinions from Courts of Appeal.
Google Scholar Gives full text legal opinions from US federal and state district, appellate and supreme courts, as well as links to other opinions and articles citing them; check ‘legal documents’ search button.
Legal Information Institute, Cornell University The text of federal and state legislation, court opinions and law directories - a good source for searching codes and updating GPO site.
LexisNexis Legal Newsroom Legal news headlines, commentary and analysis.
Public Access to Court Electronic Records (PACER) There is a charge for this service, which offers access to case and docket information from federal appellate, district and bankruptcy courts.
Supreme Court Contains judgments since 1991, including the latest slip opinions.
Congress.gov The official website for U.S. federal legislative information. It is maintained by the Library of Congress, and covers the activities of Congress, text of bills with status, and public laws from 1973 to date.
US Government Printing Office The GPO aims to provide public access to official government information products, for example history of bills with full text of each version and signed public and private laws, Congressional debates, US Code un-annotated back to 1995.
US Law Library of Congress Has information on the legal system, including sources, legal profession and Federal Court system.