Creator
- Pritchard, Elias J.1
- Prob. Bl.1
- Process Photo Studios (Chicago, Ill.)1
- Process Photo Studios.1
- Progress Studios.1
- Progress.1
- Prout, William, 1785-1850.1
- Pruett, Clair.1
- Pruss' Photo Postal Studio (St. Louis, Mo.)1
- Pseudo-Cicero.1
- Pugh, Charles R., Jr.1
- Pullman, E. J.1
- Pulte, J. H. (Joseph Hippolyt), 1811-1884.1
- Purdy's.2
- Putnam Art Co. (Grove Hall, Boston)1
- Putnam Studios (Los Angeles, Calif.)2
- Putnam, George Palmer, 1814-1872.2
- Putz, Tim.1
- Pye, Thomas.1
- Quailes, W. B.1