1. Annual medical statistical report of Dr. J. Togno's Infirmary for the Cure of Deafness: from 1834 to 1835 Author(s): Dr. J. Togno's Infirmary for the Cure of Deafness. Publication: Philadelphia : Printed by Seyfert & Phillips, 1835 Subject(s): Correction of Hearing Impairment -- statistics & numerical dataPhiladelphia
