Author
- Ibn ʻĀdil, ʻUmar ibn ʻAlī, 15th cent1
- Ibn ʿAqīl1
- Ibrāhīm al-Ḥusaynī1
- Ibrāhīm ibn Muḥammad ʻIṣām al-Asfarāyīnī1
- Ibrāhīm ibn ʻAlī Ṭaraṣūṣī1
- Imam Ar-Rafi'i1
- Immanuel Bonfils1
- Innocent III1
- Isaac Alfasi1
- Isaac Israeli ben Joseph1
- Isaak ben Meïr from Düren1
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 13461
- Ismāʻīl ibn Abī Bakr Ibn al-Muqrī1
- Jacob ben Jacob, ha-Kohen, -approximately 12701
- Jacobus de Cessolis1
- Jacopo Nannis de Piccolomini1
- Jacopo Piccolomini-Ammannati1
- Jacques Bruyant1
- Jacques de Vitry1
- Jaghmini1