Historical Massachusetts cases

The Trial Court Law Libraries have collected links to accurate historical Massachusetts cases sources available online for free. When you need to find old Massachusetts cases for legal research, start here.

Table of Contents

Early reports citation conversion

Compiled guides to help you convert nominative reporter citations to Mass. and U.S. reports citations.

Early Mass. Reports citation conversion

Early U.S. Reports citation conversion

1700-1799

Quincy's Reports: Reports of Cases Argued and Adjudged in the Superior Court of Judicature of the Province of Massachusetts Bay Between 1761 and 1772. By Josiah Quincy, Junior. Printed From His Original Manuscripts In The Possession Of His Son, Josiah Quincy, And Edited By His Great-Grandson, Samuel M. Quincy. With an Appendix Upon the Writs of Assistance.

1800-1899

Thacher's Criminal Cases: Reports of Criminal Cases Tried in the Municipal Court of the City of Boston before Peter Oxenbridge Thacher, Judge of that Court from 1823-1843.

1900-2000

Cases 1804-1929 Early Massachusetts Reports, Google Books
Includes volumes 1-265 Mass. These are scans of the print volumes, so the content is accurate, but they can be cumbersome to use.

Cases 1929-date (beginning with: v.266 Mass. and v.1 Mass. App.), Mass. Trial Court Law Libraries
Cases are available by citation, name, or through a Google search. Site also includes thousands of often-cited earlier cases, and links to briefs.

2001-date

Cases 2001-date (including Rule 1:28 decisions beginning in February 2008), Reporter of Decisions via Lexis.
Cases don't include page numbers, but this site calls itself official and offers the quickest access to corrected cases.

Newest Cases (Slip Opinions)
Includes opinions from the last 2 weeks, including Rule 1:28 unpublished decisions, available within minutes of their release. Also provides a selective email service you can use to register for cases on selected topics to be sent to you.

SJC Briefs for pending and published cases
Supreme Judicial Court briefs are available for many cases since 2007.

Contact   for Historical Massachusetts cases

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