- Latin language--Orthography and spelling1
- Latin language--Style1
- Latin literature--Study and teaching1
- Laudatory poetry1
- Laudatory poetry, Latin1
- Laude1
- Law (Theology)--Biblical teaching1
- Learning1
- Legal petitions1
- Legenda aurea (Jacobus, de Voragine)1
- Lemos, Pedro Fernández Ruiz de Castro y Osorio, conde de, active 17th century1
- Lenzi family1
- Leo III, Pope--Enchiridion.1
- Leo XI, Pope, 1535-16051
- Leprosy1
- Leprosy--Treatment1
- Levy family1
- Lippomano, Luigi, 1500-15591
- Liturgics--Texts1
- Liturgy and poetry1