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Subjects
- United States110
- Public Health -- legislation & jurisprudence77
- American Civil War52
- Public Health45
- Military Personnel40
- United States. Army.37
- New York34
- Sanitation -- legislation & jurisprudence29
- Public Health Administration -- legislation & jurisprudence28
- Massachusetts26
- Quarantine -- legislation & jurisprudence25
- Communicable Disease Control -- legislation & jurisprudence20
- Illinois19
- Public Health Administration19
- Sanitation17
- Legislation, Medical15
- Pennsylvania15
- Boston14
- Health Expenditures14
- District of Columbia13