Author
- Peter Schmieher1
- Petrus de Braco1
- Philippus Brusserius1
- Pierre Bersuire1
- Pietro Paolo Muscarello1
- Platonic Academy1
- Podestà of Monterubbiano (Italy)1
- Podestà of Perugia1
- Pomponius Mela1
- Porcellio1
- Prince-Bishopric of Toul1
- Priori (Florence)1
- Pseudo-Augustine1
- Pseudo-Phalaris1
- Qadi Ayyad1
- Ramon Llull1
- Raymond of Sabunde1
- Regiomontanus1
- Richard II of England1
- Robert de Saint-Martin1