Author
- Gregory XIV1
- Gregory de Chastellar1
- Guido di Biagio di Carlo Piccolomini1
- Guillaume Durand1
- Guillelmus Gilaberti de Olivariis1
- Gwenllian of Wales1
- Haimo of Auxerre1
- Haly Abenragel1
- Heinrich Stegmüller1
- Heinrich von Friemar1
- Henry Suso1
- Henry of Langenstein1
- Herbert of Auxerre1
- House of Borgia1
- House of Ventimiglia1
- House of della Rovere1
- Hugh of Saint-Cher1
- Iacopo da Benevento1
- Ildibrandinus1
- Imbert Feutrier1