Author
- Galen1
- Gregory IX1
- Guillaume de Rennes1
- Herbert of Auxerre1
- Hugh of Saint-Cher1
- Innocent V1
- Isidore of Seville1
- Jacobus de Voragine1
- Johannes de Sacrobosco1
- John of Damascus1
- Peter Cantor1
- Peter of Poitiers1
- Philip the Chancellor1
- Ptolemy1
- Rabanus Maurus1
- Ricardus, de Mediavilla, approximately 1249-1308?1
- Richard de Saint-Laurent1
- Roman Catholic Archdiocese of Reims1
- Stephen Langton1
- Thomas of Cantimpré1