Encyclopedias, Almanacs, Transcripts, and Maps
- Proxmire, (Edward) William
- Proyectistas
- Pryor, Richard Franklin Lenox Thomas
- Pseudo-Dionysius
- Pseudo-Grosseteste
- Psychē
- Psychoanalytic Theories, Logical Status of
- Psychologism
- Psychology
- Ptolemy ca. 100–170 Egyptian Scientific Scholar
- PUBLIC SCHOOL ENGLISH
- PUBLIC SCHOOL PRONUNCIATION
- Public Sector and Taxation
- Pucará
- Puebla (City)
- Puebla (State)
- Pueblo Indians
- Pueblo Rebellion
- Pueblos de Indios
- Puente Uceda, Luis de la (?–1965)