- Gothic scripts1
- Gregorian chants1
- Gregory XIII, Pope, 1502-15851
- Guatemala1
- Gurrea Pelliparinus, Johannes de1
- Guzman family1
- Guzman, Alfonso Perez de, 1256-13091
- Henry I, King of Castile, 1204-12171
- Henry II, King of Castile, 1333-13791
- Henry III, King of Castile and León, 1379-14061
- Heraldry1
- History, Ancient1
- History, Modern1
- Honduras1
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- Hymns, Latin (Medieval and modern)1
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- Inheritance and succession1