State Library of Massachusetts

The State Library supports the research and information needs of government, libraries, and the public through innovative services and access to a comprehensive repository of state documents and other historical items.

Have a question for the State Library?

CHAT with us (Monday to Friday 9:00 a.m.-12:00 p.m. and 1:00 p.m.-4:00 p.m.)

Fill out our Online Question Form 

Read the State Library's Reference Department FAQ

Email us at or

Call the Reference Department at (617) 727-2590 or the Special Collections Department at (617) 727-2595

*Advance appointments are strongly recommended for the State Library's Special Collections Department

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More information on remote access to our resources 

Quick Links

Contact Us


Main Library
Massachusetts State House, Room 341, Boston, MA 02133
Special Collections Department
Massachusetts State House, Room 55, Boston, MA 02133


Main Library (617) 727-2590

Open M-F 9 a.m.–5 p.m.

Special Collections Department (617) 727-2595

Open M-F 9 a.m.–5 p.m. *Advance appointments are strongly recommended


(617) 727-9730
Logo of the State Library of Massachusetts

About Us

The State Library was established in 1826 to collect, deposit, and house the Commonwealth's collections of maps, statute books, and government documents in a single central location. Since that time, the State Library has grown into a multifaceted and reliable resource for legislators, executive personnel, state employees, historians, genealogists, and users from all over the world.

Search the library's collections by using our online catalogdigital repository, and databases.

Recent news & announcements

  • Author Talk with William Martin 

    341 State House, State Library Main Reading Room, Boston, MA 02133
    Monday, February 6, 2023
    12 p.m. - 1:30 p.m.
    On his book December ‘41
  • Author Talk with Kate Clifford Larson 

    341 State House, State Library Main Reading Room, Boston, MA 02133
    Wednesday, March 8, 2023
    12 p.m. - 1 p.m.
    On her book: Walk With Me: A Biography of Fannie Lou Hamer


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