California Attorney General Legal Opinions
California Courts: Opinions of the Supreme Court and Courts of Appeal
California Legal Research Guide (SCALL)
State Court Opinions (Cornell)
State Legislative History Research Guides on the Web (Indiana University School of Law Library-Bloomington)
State Legislatures, State Laws and State Regulations (part of LLSDC's Legislative Source Book)
State Session Laws (HeinOnline) *
State Statutes arranged by Topic (Cornell)
U.S. Cases and Codes (FindLaw)
Washington Administrative Code
Washington Attorney General:Opinions
Washington Courts
Washington State Registrar
Willamette Law Online   (providing case summaries and email subscriptions for Oregon, California, and Washington cases)