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Subjects
- Disease Outbreaks62
- Yellow Fever60
- Medicine50
- Philadelphia27
- Philadelphia -- epidemiology25
- Disease22
- Surgical Instruments21
- Mortality17
- London15
- Pharmaceutical Preparations15
- Materia Medica13
- Medicine, Traditional13
- United States13
- Equipment and Supplies12
- Midwifery12
- Charities11
- History, 18th Century11
- Massachusetts11
- New York City10
- Physicians10