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Subjects
- Alabama1
- Alms-house (Baltimore, Md.)1
- Almshouses1
- American Civil War2
- Baltimore1
- Calculi -- epidemiology1
- Canada1
- Chickenpox -- epidemiology1
- Cholera12
- Cholera -- epidemiology3
- Cholera -- prevention & control2
- Cholera -- therapy1
- Cowpox1
- Disabled Persons1
- Disease Outbreaks6
- Education, Medical1
- Education, Special1
- Epidemics3
- General Surgery1
- Hernia -- therapy1