Author
- Gervase of Tilbury1
- Giovanni da Bologna1
- Gratian1
- Gregory I1
- Hakim al-Nishaburi1
- Heinrich IV. von Württemberg1
- Herbert of Auxerre1
- Hugh of Saint-Cher1
- Ibn Abi al-Isbaʻ1
- Ibn Asakir1
- Ibn Khalawayh1
- Ibn Malik1
- Ibn al-Ajdābī1
- Ibn al-Khabbaz1
- Isaac Albalag1
- Isaac Israeli ben Solomon1
- Isaiah di Trani1
- Ismail ibn Hammad al-Jawhari1
- Jamāl al-Dīn Ḥaṣīrī1
- Jayyānī, al-Ḥusayn ibn Muḥammad, 1035-1105?1