Colonial North America at Harvard Library

Search: Origin Connecticut Remove constraint Origin: Connecticut Subjects History of Medicine Remove constraint Subjects: History of Medicine Subjects Physicians--Connecticut--History Remove constraint Subjects: Physicians--Connecticut--History Subjects Patent licenses--Connecticut--History Remove constraint Subjects: Patent licenses--Connecticut--History Subjects Tractors, Metallic Remove constraint Subjects: Tractors, Metallic Subjects Perkins, Elisha Remove constraint Subjects: Perkins, Elisha Date No date Remove constraint Date: No date