Author
- Guillelmus Gilaberti de Olivariis1
- Hasan ibn ʻAbd Allah al-Sirafi1
- Hugh of Saint Victor1
- Ibn Jumay‘1
- Ibn Khafājah1
- Ibn al-Qaisarani1
- Ibn al-Tayyib1
- Ibn ʻImrān, ʻAbd al-Raḥmān ibn Muḥammad1
- Irbilī, Aḥmad ibn Mūsá, d. 12251
- Isaac Alfasi1
- Ivo of Chartres1
- Jerome1
- John Cassian1
- Josephus1
- Muhallab ibn Ḥasan Muhallabī1
- Muhammad Aufi1
- Muslim ibn al-Ḥajjāj1
- Muḥammad ibn Masʻūd Ghaznawī1
- Muḥammad ibn ʻAbd al-Ḥamīd Usmandī al-Samarqandī1
- Oglerio di Lucedio1