Author
- Ibn Manzur1
- Ibn Said al-Maghribi1
- Ibn Taymiyyah1
- Ibn Yūsuf, Yūsuf ibn Aḥmad, 14th cent1
- Ibn al-Kharrāṭ1
- Ibn al-Nafis1
- Ibn al-Salah1
- Ibn ʿAqīl1
- Imam Ar-Rafi'i1
- Innocent III1
- Isaac Alfasi1
- Isaac ben Joseph of Corbeil1
- Ismail al-Isfahani1
- Izz al-Din ibn Hibatullah ibn Abi l-Hadid1
- Jacob ben Asher1
- Jacobus de Cessolis1
- Jacopo Piccolomini-Ammannati1
- Jacques Lempereur1
- Jalaluddin al-Mahalli1
- Jamāl al-Dīn Aḥmad ibn Muḥammad Ẓāhirī1