Author
- Horace1
- Hugh Ripelin of Strasburg1
- Hugh of Saint Victor1
- Hugh of Saint-Cher1
- Ibn Abi Zayd al-Qayrawani1
- Ibn Hijjah al-Hamawi1
- Ibn Khallikan1
- Ibn Malik1
- Ibn al-Ḥājib1
- Imam Birgivi1
- Innocent III1
- Isaac Israeli ben Solomon1
- Ismail ibn Hammad al-Jawhari1
- Jacobus de Voragine1
- Jacopone da Todi1
- Jacques Bruyant1
- Jalal al-Din Davani1
- Jalal al-Din al-Suyuti1
- Jean Barthélémy1
- Jean Ruel1