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Subjects
- Disease Outbreaks12
- Medicine7
- Yellow Fever7
- Philadelphia -- epidemiology6
- Philadelphia5
- Cullen, William, 1710-1790.3
- Disease3
- London3
- Mortality3
- Delivery, Obstetric2
- Disease -- classification2
- Infant, Newborn, Diseases2
- Massachusetts2
- Midwifery2
- Plague2
- Scarlet Fever2
- Yellow Fever -- etiology2
- Acids1
- Agriculture1
- Amenorrhea1