Google Scholar allows users to limit search results to federal and state case law and legal journals.It requires users to check case law box
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FDsys (Government Publishing Office) - Includes links to documents of legislative, executive, and judicial branches of government and regulator and administrative decisions.
FindLaw: United States Supreme Court Opinions - presents a searchable database of United States Supreme Court decisions since 1993. Court decisions since 1893. Allows the user to search by citation, case title, and text, or to browse by year and by volume.
Justia - provides free access to primary legal materials, including case law, codes and regulations, court orders and opinions.
Law and Guidance (U. S. Department of Education) contains legislation, regulations, guidance, and other policy documents pertaining to education.
Public Library of Law (PLoL) - includes cases from the United States Supreme Court and Courts of Appeals, cases from all 50 states dating back to 1997, and federal law and codes from all 50 states, regulations, court rules, and constitutions.