- Juana, of Austria, Princess of Portugal, 1535-15731
- Lafões, Pedro Henrique de Bragança, Duque de, 1718-17611
- Land grants1
- Lapidaries (Medieval literature)1
- Latin language--Grammar1
- Latin language--Study and teaching1
- Latin poetry1
- Laudatory poetry1
- Laudatory poetry, Latin1
- Laude1
- Law1
- Lawyers1
- Legal documents1
- Legal petitions1
- Lemos, Pedro Fernández Ruiz de Castro y Osorio, conde de, active 17th century1
- Letters, Papal1
- Literature, Medieval1
- Logic, Medieval1
- Lorraine, Nicolas-François, duc de, 1609-16701
- Louis, Saint, Bishop of Toulouse, 1274-12971