Author
- Giovanni d'Andrea1
- Horace1
- Innocent III1
- Isidore of Seville1
- Jacques de Vitry1
- Jerome1
- Johannes de Sacrobosco1
- John Chrysostom1
- John XXII1
- John de Breton1
- John de Seccheville1
- Justinian I1
- Leo Archpriest1
- Matthew of Vendôme1
- Onasander1
- Paul of Pergula1
- Pseudo-Cicero1
- Pseudo-Eusebius of Cremona1
- Pseudo-Jerome1
- Reginold of Eichstätt1