1. Report of the Joint Committee of Councils, relative to the malignant or pestilential disease of the summer and autumn of 1820, in the city of Philadelphia Author(s): Philadelphia (Pa.). Joint Committee of Councils Relative to the Malignant or Pestilential Disease of the Summer and Autumn of 1820 in the City of Philadelphia, author. Publication: Philadelphia : Printed by Lydia R. Bailey, 1821 Subject(s): Yellow Fever -- epidemiologyDisease OutbreaksCommunicable Disease ControlSanitationPhiladelphia