- Italy--Vicenza1
- Jerome, Saint, -419 or 4201
- Jerónima de la Asunción, madre, 1555-16301
- Jesuit drama, Spanish1
- Jesus Christ1
- Jewish sermons, Hebrew1
- 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
- Knights of Malta1
- Kāsānī, Aḥmad Khvājagī1
- Lafões, Pedro Henrique de Bragança, Duque de, 1718-17611
- Lang, Matthäus, 1468-15401
- Language and languages1
- Latin language--Study and teaching1
- Latin poetry1
- Laudatory poetry, Latin1
- Laude1
- Law1