Author
- Oswald Corda1
- Panormitanus1
- Paolo da Firenze1
- Pappus of Alexandria1
- Paschasius Radbertus1
- Paul of Aegina1
- Paul of Venice1
- Paul, of Cologne1
- Pere Marsili1
- Pere Rossell1
- Perets ben Yitsḥak Ghirondi1
- Peter Idley1
- Peter Paludanus1
- Peter Schmieher1
- Peter of Bergamo1
- Peter, Constable of Portugal1
- Petrus Alphonsi1
- Petrus Bonus1
- Petrus de Braco1
- Petrus de Herenthals1