- Guyana1
- Guzman family1
- Guzman, Alfonso Perez de, 1256-13091
- Gómez, Julián1
- Gómez, Martín1
- Gómez, Pedro (undifferentiated)1
- Henry I, King of Castile, 1204-12171
- Henry II, King of Castile, 1333-13791
- Henry III, King of Castile and León, 1379-14061
- Heresy1
- Hispaniola1
- Historiography1
- History, Ancient1
- History, Military1
- History, Modern1
- Honduras1
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- Hurtado de Mendoza, García, Marqués de Cañete, 1535-16091
- Indians of Central America--Missions1
- Indians of Central America--Taxation1