Author
- Guillaume de Lanicia1
- Hai Gaon1
- Henry VI of England1
- House of Gondi1
- House of Requesens1
- Hugh Ripelin of Strasburg1
- Ibn Daqiq al-Eid1
- Ibn Ghānim, ʻIzz al-Dīn ʻAbd al-Salām ibn Aḥmad, -1279?1
- Ibn Hijjah al-Hamawi1
- Ibn Malik1
- Ibn al-Ḥājib1
- Ibrāhīm al-Ḥusaynī1
- Ibrāhīm ibn Muḥammad ʻIṣām al-Asfarāyīnī1
- Ismāʻīl ibn Abī Bakr Ibn al-Muqrī1
- Jacob ben Jacob, ha-Kohen, -approximately 12701
- Jacobus de Voragine1
- Jacopo Nannis de Piccolomini1
- Jacopo Piccolomini-Ammannati1
- Jalal al-Din al-Qazwini1
- Jamālī Ardistani1