Author
- Georg von Peuerbach1
- Giordano Ruffo1
- Giovanni Francesco Russo1
- Giovanni d'Andrea1
- Giovanni da Udine1
- Gratian1
- Guido delle Colonne1
- Haimo of Auxerre1
- Haymo of Faversham1
- Honorat Bovet1
- Hugh Talemache1
- Hugh of Fouilloy1
- Hugh of Saint-Cher1
- Jacobus de Voragine1
- Jacopone da Todi1
- Jean Gerson1
- Johanna Hawkeslowe (Sr.)1
- Johannes Hymmonides1
- Johannes Paulus1
- John Cassian1