- Guielma1
- Guillaume, de Sabran1
- Gurrea Pelliparinus, Johannes de1
- Gynecology1
- Hagiography in literature1
- Haimo, of Auxerre, -approximately 8551
- Hannibal, 247 B.C.-182 B.C.1
- Hart, William, 15821
- Head--Wounds and injuries1
- Heart--Diseases1
- Hebrew language--Etymology1
- Hecuba, Queen of Troy1
- Heilig-Geist-Spital (Eichstätt, Germany)1
- Hell in literature1
- Henry III, King of France, 1551-15891
- Henry IV, King of Castile and Leon, 1425-14741
- Henry V, King of England, 1387-14221
- Henry VI, King of England, 1421-14711
- Henry VII, King of England, 1457-15091
- Henry VIII, King of England, 1491-15471