Subject
- Periodicals1
- Perkin-Elmer Corporation1
- Petroleum industry and trade1
- Pimentel, George C.1
- Plastics4
- Plastics industry and trade1
- Polymers1
- Price, Charles C. (Charles Coale), 1913-20011
- Priestley, Joseph, 1733-18042
- Principe, Lawrence1
- Proctor, Stanley I., 1936-1
- Product demonstrations1
- Project Apollo (U.S.)1
- Project Gemini (U.S.)1
- Project Mercury (U.S.)1
- Promotional films1
- Quinine1
- Rabinow, Jacob1
- Radioactivity1
- Rayon1