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Subjects
- United States81
- American Civil War52
- Public Health -- legislation & jurisprudence50
- Military Personnel39
- United States. Army.37
- New York27
- Sanitation -- legislation & jurisprudence27
- Public Health Administration -- legislation & jurisprudence26
- Mexico25
- Massachusetts23
- Quarantine -- legislation & jurisprudence22
- Public Health Administration16
- Boston14
- Pennsylvania13
- Communicable Disease Control -- legislation & jurisprudence12
- District of Columbia12
- Legislation, Medical12
- Military Personnel -- legislation & jurisprudence11
- Michigan10
- New York City10