The following sources link to United States judicial cases.
Court Listener. Free tool for researching and tracking case law,
born out of a project at Berkeley's I School.
Findlaw. Free source with mostly current case law.
Landmark U.S. Supreme Court Cases. U.S. Courts' short list of cases dating back to 1803.
Landmark U.S. Supreme Court Cases. Streetlaw's short list of cases.
Includes over 6,000 individual titles of international, national and local newspapers and wire services; radio and television transcripts; and business, medical, industry, and legislative magazines, journals, and newsletters. Wide geographic coverage and translations from foreign-language sources, as well as news services like the Associated Press, Agence France Press, El Pais and Xinhua (New China) News Agency.
Legal Information Institute (LII)
Indexes Supreme Court decisions and opinions under the auspices of Project Hermes, as well as over 500 of the Court's most important historic decisions.