Creator
- National Technical Laboratories1
- Neiburger, Morris1
- Newton, William1
- Nicolaides, Nicholas1
- Oscar & Associates, Inc.1
- Otto, Glenn2
- Parsons, Cejay1
- Patterson, E. B.2
- Patterson, Nolan D.1
- Paules, P. E.1
- Pauling, Linus, 1901-19945
- Pearson, Donald E.1
- Pereira, William L., 1909-19851
- Phelps, C. D.1
- Photo Peuker1
- Photographers III17
- Photographic Services Section1
- Photography Unlimited1
- Photolab1
- Photomation32