- Gold tooled bindings1
- Gower, John, 1325?-14081
- Graduals (Chants)1
- Graham, Patrick Graham, Lord, -14661
- Grazing1
- Gregory I, Pope, approximately 540-6041
- Grigor, Tatʻevatsʻi, Saint, 1346-14091
- Grossa, Dora active 16th century1
- Gulistān (Saʻdī)1
- Guzman family1
- Guzman, Alfonso Perez de, 1256-13091
- Hawkins, John, Sir, 1532-15951
- Head--Wounds and injuries1
- Heart--Diseases1
- Henry I, King of Castile, 1204-12171
- Henry II, King of Castile, 1333-13791
- Henry III, King of Castile and León, 1379-14061
- Henry III, King of France, 1551-15891
- Herbs--Therapeutic use1
- Hermetism1