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Subjects
- Alcohol Drinking -- adverse effects1
- Ambulances3
- American Field Service.1
- American National Red Cross.2
- American Red Cross. War Council.1
- Anthropology1
- Bacteriology1
- Belgium2
- Birth Certificates1
- Birth Rate1
- Bombs1
- Boston1
- Brazil2
- Canada1
- Canada -- ethnology1
- Chemical Phenomena2
- Chemical Warfare1
- Chemical Warfare Agents2
- Chemistry3
- Chemistry Techniques, Analytical -- methods1