1. Letter from the secretary of the Commonwealth of Pennsylvania, by direction of the governor, relative to the late malignant fever: and report of the Board of Managers, of the Marine and City Hospitals, in reply Author(s): Pennsylvania. Secretary of the Commonwealth. Publication: Philadelphia : Printed by Thomas and Samuel F. Bradford, no. 8, South Front Street, 1798 Subject(s): Yellow FeverDisease OutbreaksPhiladelphia