1. A contribution to the study of meteorologic states etiologically related to influenza epidemics Author(s): Zahorsky, John, 1871- , author Publication: [St. Louis] : [publisher not identified], [1899] Subject(s): Influenza, Human -- etiologyDisease OutbreaksWeatherClimate
2. A contribution to the history of influenza: a study of a series of cases Author(s): Guiteras, John, 1852-1925 Publication: Philadelphia : Printed by J.B. Lippincott & Co., 1880 Subject(s): Influenza, Human -- etiology