Lists the following science-related organizations to which this printer and historian of printing bequeathed his estate at his death: American Antiquarian Society, Massachusetts General Hospital, American Philosophical Society, American Academy of Arts and Sciences, Harvard University, Historical Society in the Commonwealth, New-York Historical Society, Massachusetts Society for Promoting Agriculture, Worcester Agricultural Society, Essex Historical Society. The bulk of Thomas' estate was left to American Antiquarian Society which he founded in 1812.