Encyclopedias, Almanacs, Transcripts, and Maps
- Gaspard Monge
- Gaspard-Laurent Bayle
- Gasparo Tagliacozzi
- Gaspere Aselli
- Gastric Cancer
- Gastroesophageal reflux disease
- Gastromancy
- Gastroschisis
- Gastrotrichs: Gastrotricha
- Gauge Theory
- Gauher-abad
- Gauld, Alan (1932-)
- Gauquelin, Françoise Schneider (1929-)
- Gauquelin, Michel (Roland) (1928-1991)
- Gauthier of Bruges
- Gauthier, Jean
- Gaveshana Journal
- Gay, Kathleen Agnes Robson (1890-1969)
- Gayatri Mantra
- Gazelles