Links to Hawaii government agencies, statutes, regulations, cases, etc. are posted by Washlaw and FindLaw. Primary legal materials are also available from Lexis and Westlaw. Fastcase has the Hawaii Revised Statutes (current edition and historical editions back to 2008) and cases (1950-Present). Google Scholar and Versuslaw have cases back to 1950. Supreme and appellate court cases are published in the Pacific Reporter.
You can check bill status and get pending bills and related reports through the Hawaii Legislature's Bill Status & Documents page.
For legislative history information, see Roberta Woods'
Researching the History of a Hawai'i Statute and/or Richard Kahle's How to Research Constitutional, Legislative and Statutory History in Hawaii.
For information about Hawaii's current and historical constitution, see the Constitutions page posted by the William S. Richardson School of Law Library.
For questions about Hawaii legal materials, copies and/or inter-library loan, call the Hawaii State Law Library System (808-539-4964) and/or the William S. Richardson School of Law Library at the University of Hawaii School of Law Library (808-956-7583).