- Juana, la Loca, Queen of Castile, 1479-15551
- Judaism1
- Judges--Selection and appointment1
- Kirchmair, Georg, 1481-15541
- Knights of Malta1
- Ladron de Guevara family1
- Land titles--Registration and transfer1
- Landowners1
- Laudatory poetry, Latin1
- Law--Interpretation and construction1
- Leases1
- Legacies1
- Legaspi, Margarita de1
- Lemos, Pedro Fernández Ruiz de Castro y Osorio, conde de, active 17th century1
- Liturgics1
- Local officials and employees--Salaries, etc.1
- Lucayan Indians1
- López de Legaspi, Miguel, -15721
- Macaronic poetry1
- Macaronic verse1