- Handbooks and manuals1
- Henry I, King of Castile, 1204-12171
- Henry II, King of Castile, 1333-13791
- Henry III, King of Castile and León, 1379-14061
- Hermits1
- History, Modern1
- Humor1
- India--Kerala1
- Indians of Central America1
- Indians of Central America--Taxation1
- Inquisition1
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- Isabella I, Queen of Spain, 1451-15041
- Isidore, of Seville, Saint, -6361
- Islam1
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- James, the Greater, Saint1
- Jerónima de la Asunción, madre, 1555-16301