Topics
- Officers1
- Orthopedists2
- Pathologists5
- Performing artists1
- Personnel directors2
- Pharmacologists2
- Philosophers2
- Physicians17
- Physiologists3
- Poets1
- Portraits61
- Presbyterian Hospital (New York)2
- Princeton University1
- Purdue University1
- Ralph Jones4
- Rice University1
- Richard B. Harrison1
- Rockefeller Institute for Medical Research2
- Rural life21
- Rural women4