Author
- Hugh of Fouilloy1
- Hugh of Saint-Cher1
- Ibn Abi al-Isbaʻ1
- Ibn Asakir1
- Ibn Khalawayh1
- Ibrāhīm ibn Ismāʻīl Ibn al-Ajdābī1
- Igreja e Convento de Santa Maria de Aguiar1
- Ildibrandinus1
- Innocent V1
- Isaac Israeli ben Solomon1
- Isaiah di Trani1
- Jayyānī, al-Ḥusayn ibn Muḥammad, 1035-1105?1
- Johan de Arcenay1
- John Halgren of Abbeville1
- John de Breton1
- John de Seccheville1
- John of Damascus1
- Magister Contarinus1
- Marbodius of Rennes1
- Monastery of San Andrés de Fanlo1