1. An act for establishing an health office, for securing the city and port of Philadelphia, from the introduction of pestilential and contagious diseases Author(s): Pennsylvania. Publication: Philadelphia : Printed [by Samuel F. Bradford] at the office of the "True American.", 1799 Subject(s): Social Medicine -- legislation & jurisprudenceQuarantine -- legislation & jurisprudencePublic HealthDisease Outbreaks -- prevention & controlPennsylvania
2. Fragments of the natural history of Pennsylvania Author(s): Barton, Benjamin Smith, 1766-1815 Publication: Philadelphia : Printed, for the author, by Way & Groff, no. 48, North Third-Street, 1799 Subject(s): Natural HistoryPennsylvania
