Legal Information Institute - Cornell This site gives access to U.S. code, constitution, federal rules, Supreme and Federal Court opinions and New York Court appeals from 1990 onwards.
Library of Congress Links to legal research material such as Global Legal Information Network GLIN and Thomas legislative information such as the progress of bills and the Congressional Record, as well as many others.
U.S. Courts Official site for all Federal Courts and Judiciary, information on all Circuits, seachable opinions and dockets.
U.S. State Courts All courts included and arranged alphabetically by state. Some states include full text decisions both recent and archived.