- Italy--Treviso1
- Italy--Venice1
- Jaina illumination of books and manuscripts1
- Jaina painting1
- Jainism1
- Javanese language1
- Jesuit drama, Spanish1
- Jewish illumination of books and manuscripts1
- Jews--Legal status, laws, etc.1
- Jiménez de Cisneros, Francisco, 1436?-15171
- John II, King of Aragon, 1397-14791
- Juana, of Austria, Princess of Portugal, 1535-15731
- Kings and rulers--Genealogy1
- Kölner Dom1
- Lacquered bindings1
- Lancelot (Legendary character)1
- Landlord and tenant1
- Landscapes1
- Last Supper1
- Latin poetry, Medieval and modern1