Scope and Content Note From the Collection: This collection contains medical records and personal papers of John Dexter Treadwell, a prominent physician in Salem, Massachusetts, in the early nineteenth century. The papers include extracts of medical reports, legal documents, correspondence, account books, and papers pertaining to the Massachusetts Medical Society. Also present are papers belonging to John Dexter's father, John Treadwell, a minister in Lynn, Massachusetts, who later resided in Salem. Folders 1 and 2...