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Subjects
- United States118
- Public Health -- legislation & jurisprudence92
- American Civil War52
- Public Health48
- Military Personnel41
- New York38
- United States. Army.37
- Public Health Administration -- legislation & jurisprudence33
- Sanitation -- legislation & jurisprudence33
- Massachusetts31
- Mexico26
- Quarantine -- legislation & jurisprudence26
- Communicable Disease Control -- legislation & jurisprudence23
- New York City23
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- Legislation, Medical20
- Public Health Administration20
- Illinois19
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- Pennsylvania16