1. Influenza Publication: Washington, D.C. : Federal Security Agency, Public Health Service, [between 1940 and 1960?] and Distributed: Washington, D.C. : For sale by the Superintendent of Documents, U.S. Government Printing Office Subject(s): Influenza, Human
2. The silent invader Publication: [Pittsburgh, PA] : Westinghouse Broadcasting Co., [1957] Subject(s): Disease Outbreaks -- prevention & controlInfluenza VaccinesInfluenza, HumanUnited States