Author
- Pierre Choisnet1
- Pietro Aldobrandini1
- Pietro Candido Decembrio1
- Pietro Magno1
- Pietro d'Abano1
- Pius II1
- Pius III1
- Polo, Marco, 1254-1323?1
- Pope1
- Priori (Florence)1
- Pseudo-Augustine1
- Pseudo-Hegesippus1
- Qaitbay1
- Qāḍī Zāda al-Rūmī1
- Rabbis of the Jewish Community of Jerusalem1
- Raimondo Marliani1
- Raymond of Penyafort1
- Republic of Venice1
- Richard Nykke1
- Robert Cooke1