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Subjects
- National Board of Health (U.S.)[remove]14
- United States11
- Public Health Administration4
- Communicable Disease Control -- legislation & jurisprudence3
- Public Health Administration -- legislation & jurisprudence3
- Quarantine3
- Ships3
- Public Health -- legislation & jurisprudence2
- Quarantine -- organization & administration2
- United States. Marine Hospital Service2
- American Civil War1
- Cholera1
- Communicable Disease Control1
- Cuba -- epidemiology1
- Data Collection1
- Financing, Government1
- Fossils1
- Louisiana1
- Military Medicine1
- Military Personnel1