1. Save a day Publication: [Washington, DC] : The Service, [1941] Subject(s): Accidents, Occupational -- prevention & controlOccupational MedicineProtective DevicesUnited States
2. Fly high and live: oxygen equipment Publication: [New York, NY] : Caravel Films, 1944 Subject(s): AircraftHypoxia -- prevention & controlOxygenProtective Devices
