Mass.Gov - A portal to all things Massachusetts. The Official Website of the Commonwealth of Massachusetts.
Massachusetts Trial Court Law Libraries - There are 15 Trial Court Law Libraries located across Massachusetts to serve the courts, attorneys and the public
Constitution of the Commonwealth of Massachusetts
The General Laws of Massachusetts - searchable by keyword or section
Massachusetts Legislative Tracking System - full text of bills before the current session of the Legislature, searchable by bill number or keyword. Also find a state senator or representative by town or zip code.
Massachusetts Supreme Judicial Court and Court of Appeals Opinions - from 1998 forward.
Massachusetts laws -- most frequent - The Trial Court law librarians create these guides to Massachusetts legal topics. Here you will find what you need to get started in your legal research on a topic - laws, regulations, cases, and websites.