Author
- Masawaih1
- Matthew Paris1
- Matthew of Kraków1
- Michael, Benedictine monk1
- Moses ben Jacob of Coucy1
- Muín-ad-Din1
- Niccolò Balsamo1
- Nicephorus Gregoras1
- Oswald Corda1
- Otto of Passau1
- Pappus of Alexandria1
- Patrick Graham, 1st Lord Graham1
- Paul, of Cologne1
- Peter Damian1
- Petrus Aureolus1
- Pierre Choisnet1
- Pietro de' Crescenzi1
- Plato1
- Plutarch1
- Poggio Bracciolini1