Author
- Leo Archpriest3
- Leo I3
- Leon Battista Alberti3
- Maffeo Vegio3
- Nicholas of Gorran3
- Paul III3
- Paul of Venice3
- Pietro de' Crescenzi3
- Pseudo Bernard of Clairvaux3
- Pseudo-Llull3
- Pseudo-Phalaris3
- Pseudo-Seneca3
- Ranulf Higden3
- Republic of Venice3
- Roman Catholic Archdiocese of Siena3
- Roman Catholic Diocese of Arezzo3
- Sulpicius Severus3
- Abu Bakr al-Razi2
- Adam Magister2
- Adrian VI2