The MHS library is open by appointment! However, the galleries remain closed. Learn more about appointments, online offerings and latest updates.[[no-close]]
The Massachusetts Historical Society is one of the nation’s most respected research libraries. Our extraordinary collections provide an unparalleled record of American history and are enjoyed by scholars and the public alike.
The MHS possesses a remarkable assembly of personal papers of three presidents, John Adams, John Quincy Adams, and Thomas Jefferson. The collections also contain accounts of the lives of thousands of ordinary Americans.
Explore the collections
Use these tools to view highlights, digital collections, and other online resources.