- Hymns, Latin1
- Illumination of books and manuscripts1
- Illumination of books and manuscripts, French1
- Indulgences1
- Innocent VIII, Pope, 1432-14921
- International relations1
- Italy--Bologna1
- Italy--Cortona1
- Italy--Ferrara1
- Italy--Lodi1
- Italy--Siena1
- Italy--Tuscany1
- James, the Greater, Saint1
- Jesuits1
- Jews--Persecutions1
- John IV, King of Portugal, 1604-16561
- John Manuel, Prince of Portugal, 1537-15541
- John V, King of Portugal, 1689-17501
- Juana, of Austria, Princess of Portugal, 1535-15731
- Judaism1