Author
- Gadādhara2
- Geoffrey of Monmouth2
- Georg von Peuerbach2
- Gersonides2
- Ghiyāth al-Dīn al-Baghdādī2
- Giovanni Piccolomini2
- Girolamo Piccolomini2
- Giuseppe Biondi2
- Govardhanamiśra2
- Gregory IX2
- Guillaume de Mandagout2
- Hassan al-Jabarti2
- Hatefi2
- Hemādri2
- Henry Suso2
- House of Gondi2
- House of Requesens2
- Hugh of Balma2
- Hārīta2
- Ibn Abi Zayd al-Qayrawani2