- Pedro I, King of Castile and Leon, 1334-13691
- Penance2
- Penwork (Decoration)2
- Persian language4
- Persian language--Synonyms and antonyms1
- Persian poetry1
- Personal narratives1
- Perush Rashi ʻal ha-Torah (Rashi)1
- Perush ha-Torah (Naḥmanides)1
- Peter Lombard, Bishop of Paris, approximately 1100-11601
- Petronibus, Agabitus de1
- Petronibus, Petronius Caterini de1
- Petronibus, Petronius de1
- Philip IV, King of France, 1268-13141
- Philosophy3
- Philosophy and religion3
- Philosophy, Ancient2
- Philosophy, Medieval3
- Philosophy, Medieval, in literature1
- Phlebotomy1