Subject
- Picnics.1
- Pigeons--Feeding and feeds.1
- Pigeons.1
- Pinchot, Gifford, 1865-1946.1
- Pirates--Drama.1
- Police.1
- Polish Americans--Pennsylvania--History.1
- Political campaigns.1
- Political candidates.1
- Politicians--United States--In mass media.1
- Poor Richard Club (Philadelphia, Pa.)1
- Portraits1
- Postcards2
- Powell, Dick, 1904-1963.1
- Presidents--United States--Election--20001
- Princeton University--Rowing.1
- Pringle, Elizabeth W. Allston (Elizabeth Waties Allston), 1845-19213
- Pringle, John Julius, 1842-18763
- Prisoners--Recreation.1
- Prisoners.2