Encyclopedias, Almanacs, Transcripts, and Maps
- Proof Theory
- Proper Names and Descriptions
- Property
- Propositional Attitudes: Issues in Semantics
- Propositional Attitudes: Issues in the Philosophy of Mind and Psychology
- Propositional Knowledge, Definition of
- Propositions
- PROSCRIPTIVE
- Protagoras of Abdera
- Protectorate States
- Protestantism and Protestant Missions
- Protestantismo en México
- Protomedicato
- Proudhon, Pierre-Joseph (1809–1865)
- Proust, Marcel (1871–1922)
- Provability Logic
- Provedor Mor da Fazenda
- Providencia
- Provincial Deputation
- Provincias Internas