- Illumination of books and manuscripts1
- India1
- Inquisition1
- Interfaith relations1
- International relations1
- Iran1
- Isabella I, Queen of Spain, 1451-15041
- Isidore, of Seville, Saint, -6361
- Islam1
- Italy--Bergamo1
- Italy--Florence1
- James, the Greater, Saint1
- Jerónima de la Asunción, madre, 1555-16301
- Jesuit drama, Spanish1
- Jesuits1
- John I, King of Portugal, 1357-14331
- Juana, of Austria, Princess of Portugal, 1535-15731
- Latin language--Study and teaching1
- Latin poetry1
- Laudatory poetry, Latin1