Author
- Georg von Peuerbach1
- Gerard Zerbolt of Zutphen1
- Gerardo da Siena1
- Giles of Rome1
- Giovanni Bóndi1
- Giovanni Francesco Russo1
- Giovanni d'Andrea1
- Guido de Monte Rochen1
- Haymo of Faversham1
- Heinrich Reicher1
- Heinrich von Friemar1
- Henricus de Ratisbona1
- Henry of Langenstein1
- Honorat Bovet1
- Hugh Ripelin of Strasburg1
- Hugh of Saint Victor1
- Innocent III1
- Isidore of Seville1
- Jacopone da Todi1
- Jakob Wimpfeling1