Author
- Honorat de Bueil, seigneur de Fontaines1
- House of Blois1
- House of Ventimiglia1
- House of della Rovere1
- Hugh Ripelin of Strasburg1
- Hugh of Fouilloy1
- Humphrey Wellys1
- Ibn Asakir1
- Ibn Kathir1
- Ibn al-Farid1
- Ibn al-Khabbaz1
- Ibn al-Tayyib1
- Ibn ʻAbd al-Riḍá1
- Ibrāhīm ibn Muḥammad ʻIṣām al-Asfarāyīnī1
- Idris Bitlisi1
- Igreja e Convento de Santa Maria de Aguiar1
- Ildibrandinus1
- Imam Birgivi1
- Immanuel Tremellius1
- Inayat Khan1