Author
- Naqāwusī, Aḥmad ibn Saʻīd, 14th cent1
- Nassābah, ḥasan ibn Muḥammad, d. 14071
- Nicholas of Lyra1
- Nicholas of Salerno1
- Pepo d'Antonio di Lando Degli Albizzi1
- Peter Lombard1
- Peter Paludanus1
- Peter of Poitiers1
- Petrus Bonus1
- Petrus Comestor1
- Petrus Riga1
- Pseudo Bernard of Clairvaux1
- Ptolemy1
- Qadi Mir Husayn al-Maybudi1
- Ranulf Higden1
- Rashid-al-Din Hamadani1
- Raymond of Penyafort1
- Richard Maidstone1
- Robert Gazeley1
- Robert de Sorbon1