title: Guarding against alien impurities: the Philadelphia Lazaretto, 1854-1893.
authors.forename: E T
authors.initials: ET
authors.lastname: Morman
mesh_terms: D003140:Communicable Disease Control / Q000266:history*; D049711:History, Modern 1601-; D006761:Hospitals / Q000266:history*; D014481:United States