Online Legal Periodicals Indexes: A bibliographic database that cites articles from legal periodicals (1980-current) and indexes law books (1993-current). Periodical coverage includes law reviews, bar association journals, university publications, yearbooks, institutes, and government publications.
HeinOnline: Touted as “A modern link to legal history,” HeinOnline contains multiple library collections, such as the Law Journal Library, Code of Federal Regulations, Federal Register Library, Manual of Patent Examining Procedure, Treaties and Agreements Library, U.S. Attorney General Opinions, U.S. Supreme Court Library—just to name a few.
Google Scholar A fantastic (and free) search engine which you can use to search for law review articles online. More often than not, the search will simply redirect you to the article in HeinOnline's database.