1. Memoir of Isaac Hays, formerly one of the censors of the College of Physicians of Philadelphia, president of the Academy of Natural Sciences, surgeon to Wills Hospital, etc: read before the College, February 4, 1880 Author(s): Stillé, Alfred, 1813-1900, author Publication: Philadelphia : [publisher not identified], 1880 Subject(s): PhysiciansPhiladelphiaHays, Isaac, 1796-1879.
