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Subjects
- United States35
- Homeopathy23
- Sanitation13
- New York12
- Physicians12
- Yellow Fever12
- Epidemics10
- Mexico9
- Mississippi8
- New York City8
- Water Supply8
- Yellow Fever -- prevention & control8
- Communicable Disease Control -- legislation & jurisprudence7
- Materia Medica7
- Philadelphia7
- Quarantine -- legislation & jurisprudence7
- Boston6
- Disease Outbreaks6
- Education, Medical6
- Equipment and Supplies6