Author
- House of Borgia1
- House of Gondi1
- House of Ventimiglia1
- House of della Rovere1
- Hugh Ripelin of Strasburg1
- Hugh of Balma1
- Hugh of Saint Victor1
- Hugh of Saint-Cher1
- Humbert of Romans1
- Humphrey Wellys1
- Hāshim ibn Muḥammad Maghribī1
- Iacopo Bracciolini1
- Iacopo da Benevento1
- Ibn 'Ata Allah1
- Ibn Abbad al-Rundi1
- Ibn Abi Zayd al-Qayrawani1
- Ibn Abi al-Dunya1
- Ibn Arabi1
- Ibn Asakir1
- Ibn Bint al-Maylaq1