1. Kurze Nachricht von dem sogenannten gelben Fieber in Philadelphia für den nachdenkenden Christen Author(s): Helmuth, Justus Henry Christian, 1745-1825 Publication: Philadelphia : Gedruckt bey Steiner und Kämmerer, 1793 Subject(s): Yellow FeverDisease OutbreaksMortalityPhiladelphia -- epidemiology
2. A short account of the yellow fever in Philadelphia, for the reflecting Christian Author(s): Helmuth, Justus Henry Christian, 1745-1825 Publication: Philadelphia : Printed by Jones, Hoff & Derrick, no. 8, North Fifth-Street, MDCCXCIV [1794] Subject(s): Yellow FeverDisease OutbreaksMortalityPhiladelphia -- epidemiology
