- Gurrea Pelliparinus, Johannes de1
- Gynecology1
- Hagiography1
- Hagiography in literature1
- Happiness1
- Head--Wounds and injuries1
- Heart--Diseases1
- Henry IV, King of Castile and Leon, 1425-14741
- Henry V, King of England, 1387-14221
- Heresy1
- Hieron I, Tyrant of Syracuse, -467 B.C. or 466 B.C.1
- Hilarion, Saint, approximately 291-approximately 3711
- Historiography1
- History of Biblical events1
- History, Military1
- History--Sources1
- Holy Week services1
- Horn (Musical instrument)1
- Horticulture1
- Hugh, of Fouilloy, -1172 or 1173. De medicina animae1