Ο Ντούτσε Αφηγείται...
1945
Heja Goliat!
How Disease Travels
Tuberculosis
Hold Your Horsepower
Another Chance
Health for the Americas: Hookworm
The Dawn of Better Living
Health for the Americas: The Human Body
Prevention and Control of Distortion in Arc Welding
Health for the Americas: Insects as Carriers of Disease
Health for the Americas: Infant Care and Feeding
Aesop's Fable: The Mosquito