- Jesuit drama, Spanish1
- Jesuits1
- Jiménez de Cisneros, Francisco, 1436?-15171
- John II, King of Aragon, 1397-14791
- Juan II, King of Castile and Leon, 1405-14541
- Judaism1
- Judges--Selection and appointment1
- Justa, Saint, -approximately 2871
- Ladron de Guevara family1
- Land titles--Registration and transfer1
- Latin language--Study and teaching1
- Latin poetry1
- Law--Interpretation and construction1
- Lawyers1
- Leases1
- Leather bindings1
- Lemos, Pedro Fernández de Castro, conde de, 1576-16221
- Leocadia, Saint, -3031
- Lepe Carvajal, Alonso de1
- Limp bindings1