- Lemos, Pedro Fernández de Castro, conde de, 1576-16221
- Letter of Aristeas1
- León, Luis de, 1527-15911
- Libri amicorum1
- Liturgical books1
- Local officials and employees1
- Local officials and employees--Salaries, etc.1
- Lorraine, Nicolas-François, duc de, 1609-16701
- Lucayan Indians1
- Macaronic poetry1
- Macaronic verse1
- Magic1
- Malikites1
- Manuscript waste1
- Manuscripts, Cakchikel1
- Manuscripts, English1
- Manuscripts, Galician1
- Manuscripts, Latin American1
- Manuscripts, Mexican1
- Manuscripts, Portuguese1