Encyclopedias, Almanacs, Transcripts, and Maps
- Guiana Highlands
- Guibert of Ravenna
- guidance and counseling
- Guidi, Tommaso
- Guilford
- Guillemin, Roger Charles Louis
- Guillén, Jorge
- Guilmant, Félix Alexandre
- Guimerà, Ángel
- Guinea worm
- Guinea, Gulf of
- Güines
- Guinicelli, Guido
- Guipúzcoa
- Guiscard
- Guise, Jean d'Orléans, duc de
- Guisui
- guitarfish
- Gujral, Inder Kumar
- Gujranwalla