Collection consists primarily of family correspondence, letters from Thaddeus Mason Harris to his son, Thaddeus William Harris, and from additional family membe
Thaddeus William Harris first made his living as a physician and for many years thereafter as Harvard librarian. For six years, he also taught natural history i
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced
Correspondence from Massachusetts entomologist Thaddeus William Harris (1795-1856; Harvard AB 1815, MD 1820) to American entomologist and conchologist Thomas Sa