Encyclopedias, Almanacs, Transcripts, and Maps
- Gregory of Narek
- Gregory of Nazianzus
- Gregory of Nyssa
- Gregory of Sinai
- Gregory Palamas
- Gregory the Illuminator
- Grenadines
- Griaule, Marcel
- Grimond, Jo (Joseph), Baron
- Grinevald, Jacques French University Professor
- Groot, J. J. M. de
- Groundwater Formation
- Groundwater Monitoring
- Groundwater Pollution
- Growth Curve
- Growth Limiting Factors
- Gruiformes (Cranes, Rails, and Relatives)
- Grundtvig, Nikolai Frederik Severin
- Grylloblattodea (Rock-Crawlers)
- Gu Yanwu