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Subjects
- American Civil War2
- Cholera1
- Cholera -- epidemiology1
- Communicable Disease Control[remove]17
- Communicable Diseases1
- Communicable Diseases -- transmission1
- Diet1
- Disease -- etiology1
- Disease Outbreaks1
- Disinfection -- methods1
- Epidemics1
- Equipment and Supplies1
- Hygiene1
- India1
- Military Hygiene1
- Military Medicine2
- New York City1
- Preventive Medicine1
- Public Health1
- Refuse Disposal1