Creator
- Plummer, David R.1
- Plummer, Harry L.1
- Plunkett.1
- Plyler-Brandon Sales Co. (Myrtle Beach, S.C.)1
- Pogue, P. C.1
- Pointe-A-Pitre.1
- Pointe-a_-Pitre (Guadeloupe)1
- Poirters, Adrien, 1605-16741
- Poirters, Adrien, 1605-1674.1
- Poland.1
- Polhill-Denny Drug Co. (Louisville, Ga.)1
- Polk, Leonidas, 1806-18641
- Pollard, Edward A. (Edward Alfred), 1831-1872.1
- Pomegranate Publications (Corte Madera, Calif.)1
- Pontiere, John V.1
- Ponton, M. M. (Mungo Melanchthon), 1860-1
- Poole, W. G.1
- Poore, Benjamin Perley1
- Pope Photo (Washington, D.C.)1
- Pope, B. F.1