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Titles
- Cleaning mess gear 1
- Criminal at large 1
- DDT, weapon against disease 1
- Drinking water 1
- Health education against malaria 1
- It's up to you: dengue-yellow fever control 1
- Native food 1
- Personal cleanliness 1
- Save a day 1
- Soldier from the tropics 1
- Strictly personal 1
- The inside story 1
- The silent war: Colombia's fight against yellow fever : a film 1
- To the people of the United States 1
- Use your head 1
- Winky the watchman 1
- [Fight syphilis] 1
- [Local health problems in war industry areas] 1
