1. Address on opening of the Institute of Hygiene of the University of Pennsylvania Author(s): Mitchell, S. Weir (Silas Weir), 1829-1914, author Publication: Philadelphia : University of Pennsylvania Press, 1892 Subject(s): Schools, MedicalAnniversaries and Special EventsPhiladelphiaLea, Henry Charles, 1825-1909.University of Pennsylvania. Laboratory of Hygiene.