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Subjects
- Disease Outbreaks12
- Yellow Fever11
- Philadelphia -- epidemiology9
- Medicine7
- Mortality6
- Philadelphia5
- Emigration and Immigration3
- France -- epidemiology3
- London -- epidemiology3
- Plague -- history3
- Disease2
- Famous Persons2
- History, 17th Century2
- Howard, John, 1726-1790.2
- Materia Medica2
- Prisons2
- Social Welfare2
- United States2
- African Americans1
- African Continental Ancestry Group1