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Subjects
- Environment, Controlled[remove]6
- Sanitation2
- City Planning1
- District of Columbia1
- District of Columbia. Health Department.1
- Hospitals, Isolation1
- Inventions1
- Michigan1
- Military Hygiene1
- Naval Medicine1
- New York City1
- Poverty1
- Public Health1
- Sanitary Engineering -- legislation & jurisprudence1
- United States1
- United States. Navy.1
- Yellow Fever1