Author
- Ibn 'Abd al-Barr1
- Ibn Abi al-Dunya1
- Ibn Aqil1
- Ibn Battal1
- Ibn Hisham Al-Ansari1
- Ibn Jaber al-Andalusi1
- Ibn Khaldun1
- Ibn Malik1
- Ibn Quzman1
- Ibn Zanjalah1
- Ibn al-Farid1
- Ibn al-Kharrāṭ1
- Ibn al-Qasim1
- Ibn ʿAqīl1
- Ibrāhīm ibn Muḥammad Aʻlam al-Baṭalyawsī1
- Ibrāhīm ibn Muḥammad Birmāwī1
- Innocent III1
- Isidore of Seville1
- Ismāʻīl Qarah Kamāl1
- Izz al-Din ibn Hibatullah ibn Abi l-Hadid1