- History, Ancient1
- History, Modern1
- Hymns1
- Ildephonsus, Saint, approximately 610-6671
- Indians of Mexico--Legal status, laws, etc.1
- Inscriptions1
- Insertions (Production)1
- Interfaith relations1
- Isidore, of Seville, Saint, -6361
- Islam1
- Islamic law1
- Italy1
- Italy--Sicily1
- James, the Greater, Saint1
- Jerónima de la Asunción, madre, 1555-16301
- Jesuit drama, Spanish1
- Jews--Persecutions1
- Jiménez de Cisneros, Francisco, 1436?-15171
- John II, King of Aragon, 1397-14791
- Juana, la Loca, Queen of Castile, 1479-15551