Names
- Panama-Pacific International Exposition (1915 : San Francisco, Calif.)1
- Patten Gymnasium (Evanston, Ill. : 2407 Sheridan Road)1
- Paul’s Mammoth Travelling Photograph and Ferro-type Car.1
- Pearce, W. H.1
- Peirce, E. W.1
- Pennsylvania Railroad.1
- Perry, H. B.1
- Peter & Kresge.1
- Peter, Lewis P.1
- Peters & Brother.1
- Philbrick, Robert, approximately 1846-1901--Portraits.1
- Pine, F. B.1
- Place, S.1
- Portable Picture Palace.1
- Potee, I. M.1
- Prehn, Clarence H., 1891-19541
- Primrose, George M., 1841-1889.1
- Pullman Railroad Company.1
- Rector, W. H.1
- Robbins, Frank, 1846-1924.1