Encyclopedias, Almanacs, Transcripts, and Maps
- Perley, Sir George Halsey
- Perlis
- Perlmutter, Saul
- permeability, magnetic
- Pernambuco
- Pernau
- Pernik
- Perón, Isabel María Martínez de
- Péronne
- Pérouse, Jean François de Galaup, comte de La
- Perrers, Alice
- Perrine
- Perrot, Georges
- Perrot, Jules
- Perrot, Nicolas
- Perry's Victory and International Peace Memorial
- Perry, Rick
- Persad-Bissessar, Kamla
- Perseids
- Persian cat