Creator
- Popular Photo Co. (Poughkeepsie, N.Y.)1
- Porch, Harvey W.1
- Porcher, Francis Peyre, 1824-1895.1
- Porter Studio.1
- Porter, Albert Quincy1
- Porter, Henry Ware.1
- Porter, John Addison, 1856-19001
- Portland Lithograph Co. (Portland, Me.)1
- Post Card Service (Sebring, Fla.)1
- Post Office News & Cigar Store (Hennessy, Okla.)1
- Post, Philip Sidney, 1833-18951
- Pottenge Studio.1
- Poving, F. C.1
- Powell, J. C.1
- Powell.1
- Powers Photo Studio.1
- Powledge, Fred1
- Praed, Campbell, Mrs., 1851-1935.1
- Prator, L. R.1
- Pratt, Henry1