Encyclopedias, Almanacs, Transcripts, and Maps
- Peters, Richard
- Petersburg National Battlefield
- Peterson, Martha
- Pethuel
- Pétion de Villeneuve, Jérôme
- Pétion, Alexandre
- Petit Nord Peninsula
- Petit, Roland
- Petitot, Jean
- Petlyura, Simon
- Petraeus, David Howell
- Petre, Sir Edward
- petrifaction
- Petrified Forest National Park
- Petrikau
- Petrillo, James Caesar
- Petrodvorets
- Petroglyph National Monument
- Petrograd
- Petrokov