Recently published resource from the Law Librarians' Society of Washington, D.C. The page provides links to all major sources for U.S. Court opinions.
The Public Library of Law is sponsored by Fastcase.
Google Scholar allows you to search and read published opinions of US state appellate and supreme court cases since 1950, US federal district, appellate, tax and bankruptcy courts since 1923 and US Supreme Court cases since 1791. In addition, it includes citations for cases cited by indexed opinions or journal articles which allows you to find influential cases (usually older or international) which are not yet online or publicly available.
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