Author
- Grand Duchy of Tuscany1
- Gregory I1
- Guglielmo Perlano1
- Guglielmo da Varignana1
- Guido de Monte Rochen1
- Guillaume Durand1
- Guillaume de Lanicia1
- Gulielmus Varientius1
- Haymo of Faversham1
- Homer1
- House of Borgia1
- Hugh of Saint Victor1
- Iacopo Bracciolini1
- Ippolito Libri1
- Isidore of Seville1
- Jacobus de Burgo1
- Jacobus de Voragine1
- Jacomo Veronese1
- Jacopone da Todi1
- Jewish Community of Pitigliano, Italy1