- Gregory I, Pope, approximately 540-6041
- Guatemala--Alta Verapaz1
- Guatemala--Antigua1
- Guatemala. Audiencia1
- Hambie, John, active 1558-15591
- Hamerton, William, active 1558-15591
- Handbooks and manuals1
- Hannibal, 247 B.C.-182 B.C.1
- Henry IV, King of France, 1553-16101
- Heresy1
- Hilarion, Saint, approximately 291-approximately 3711
- Hispaniola1
- Historia de regibus Gothorum, Vandalorum, et Suevorum (Isidore, of Seville, Saint)1
- Historiography1
- History, Ancient1
- Home economics1
- Hoskin, John, -approximately 13631
- Hoskins family1
- Households1
- Huguenots1