Author
- Henry de Bracton1
- Hibat Allāh ibn Aḥmad Ṭarāzī1
- Hélinand of Froidmont1
- Ibn Bardis1
- Ibn Khallikan1
- Ibn Malik1
- Ibn Manzur1
- Ibn Said al-Maghribi1
- Ibn Yūsuf, Yūsuf ibn Aḥmad, 14th cent1
- Ibn al-Kharrāṭ1
- Ibn al-Wardi1
- Ibn al-Ḥājib1
- Imam Ar-Rafi'i1
- Innocent III1
- Isaac Alfasi1
- Isaac ben Joseph of Corbeil1
- Ismail al-Isfahani1
- Ismail ibn Hammad al-Jawhari1
- Izz al-Din ibn Hibatullah ibn Abi l-Hadid1
- Jacob ben Asher1