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Subjects
- Chemistry -- education2
- Child2
- Child, Abandoned1
- Child, Preschool1
- Childs, George William, 1829-1894.1
- China1
- Cholera1
- Cholera -- epidemiology1
- Cholera -- prevention & control3
- Chorea1
- Christ Church Hospital (Philadelphia, Pa.)3
- Christianity1
- Cities3
- Cities -- history1
- City Planning1
- Climate1
- Clinical Medicine1
- Clinical Medicine -- education1
- Codes of Ethics4
- College of Physicians of Philadelphia.14