Author
- Matteo Palmieri1
- Matthew Cudner1
- Medingen Abbey1
- Nicholas of Lyra1
- Nikolaos Sagundino1
- Notre-Dame de Chartres1
- Onasander1
- Ottavio Strada1
- Parliament of Great Britain1
- Paschal II1
- Pere Marsili1
- Peter of Poitiers1
- Petrus Alphonsi1
- Petrus de Herenthals1
- Petrus de la Cavalleria1
- Philip Stos1
- Pierre Bersuire1
- Pietro Candido Decembrio1
- Pietro de' Crescenzi1
- Pius V1