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Subjects
- United States110
- Public Health -- legislation & jurisprudence79
- American Civil War52
- Public Health46
- Military Personnel41
- United States. Army.37
- New York34
- Public Health Administration -- legislation & jurisprudence30
- Sanitation -- legislation & jurisprudence30
- Massachusetts26
- Mexico26
- Quarantine -- legislation & jurisprudence25
- Communicable Disease Control -- legislation & jurisprudence21
- Illinois19
- Public Health Administration19
- Legislation, Medical17
- Sanitation17
- Pennsylvania15
- Boston14
- Health Expenditures14