- Greece--Trikala1
- Greek language1
- Greek language--Translating into Arabic1
- Gregory IX, Pope, approximately 1170-12411
- Gregory XIII, Pope, 1502-15851
- Grief--Religious aspects--Islam1
- Grifoni, Antonio de'1
- Grifoni, Michele de'1
- Grigor, Tatʻevatsʻi, Saint, 1346-14091
- Gritti, Andrea, 1455-15381
- Grossa, Dora active 16th century1
- Groundwater1
- Guanzi (Guan, Zhong)1
- Guardi, Gabriele1
- Guasconi, Pierantonio1
- Guatemala--Alta Verapaz1
- Gucciarelli, Buongiuliano de1
- Guelfi, Martino1
- Guelfo, Martino di1
- Guglielmo, Antonio di1