- Knotesford, John, -15891
- Kāsānī, Aḥmad Khvājagī1
- Lafões, Pedro Henrique de Bragança, Duque de, 1718-17611
- Lang, Matthäus, 1468-15401
- Language and languages1
- Lapidaries (Medieval literature)1
- Latin language--Grammar1
- Latin language--Study and teaching1
- Latin poetry1
- Laudatory poetry1
- Laudatory poetry, Latin1
- Laude1
- Law1
- Legal documents1
- Legal petitions1
- Lemos, Pedro Fernández Ruiz de Castro y Osorio, conde de, active 17th century1
- Lemos, Pedro Fernández de Castro, conde de, 1576-16221
- Leocadia, Saint, -3031
- Letter of Aristeas1
- Letters, Papal1