Subject - Geographic
- Port Arthur (Tex.)4
- Port Gibson (Miss.)2
- Port of Spain (Trinidad and Tobago)4
- Port-au-Prince (Haiti)60
- Portland (Ind.)1
- Portland (Me.)46
- Portland (Or.)1
- Portraits.1
- Portsmouth1
- Portsmouth (Va.)1
- Portsmouth (Ohio)1
- Portsmouth (Va.)1
- Potomac River.2
- Poughkeepsie (N.Y.)3
- Powhatan County (Va.)1
- Pozzuoli (Italy)1
- Prairie View (Tex.)1
- Prestwick (Scotland)3
- Princess Anne (Md.)2
- Princeton (Ill.)1