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Subjects
- Disease Outbreaks14
- Yellow Fever13
- Philadelphia -- epidemiology11
- Mortality8
- Medicine7
- Philadelphia5
- France -- epidemiology4
- London -- epidemiology4
- Plague -- history4
- Emigration and Immigration3
- Disease2
- Famous Persons2
- History, 17th Century2
- Howard, John, 1726-1790.2
- Materia Medica2
- Midwifery2
- Prisons2
- Social Welfare2
- United States2
- African Americans1