Subject
- Pennsylvania (Battleship)1
- Pennsylvania -- Social life and customs -- 19th century.3
- Pennsylvania -- Social life and customs -- 19th century." Buildings -- Pennsylvania -- Philadelphia -- Pictorial works.2
- Pennsylvania State University.2
- Performance artists.2
- Performing arts and children.1
- Philadelphia & Reading Railroad Co.1
- Philadelphia (Pa.)--1920-1930.1
- Philadelphia (Pa.)--Buildings, structures, etc.3
- Philadelphia (Pa.)--Description and travel.1
- Philadelphia (Pa.)--History.1
- Philadelphia Mummers (Organization)2
- Philadelphia Naval Shipyard (Philadelphia, Pa.)1
- Philadelphia Naval Shipyard (Philadelphia, Pa.)--History.1
- Philadelphia Phillies (Baseball team)1
- Physical diagnosis.1
- Physical education and training.1
- Physical fitness--Testing.1
- Piano music.1
- Piano.2