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Subjects
- Disease Outbreaks40
- Yellow Fever38
- Medicine28
- Disease19
- Philadelphia -- epidemiology19
- Mortality14
- Medicine, Traditional12
- Equipment and Supplies9
- Materia Medica9
- Pharmaceutical Preparations9
- Philadelphia8
- Midwifery7
- General Surgery6
- Military Medicine6
- United States6
- Animal Husbandry5
- Chemistry5
- History, 18th Century5
- Natural History5
- New York City5