- Legal petitions1
- Leicester, Robert Dudley, Earl of, 1532?-15881
- Lemos, Pedro Fernández Ruiz de Castro y Osorio, conde de, active 17th century1
- Lemos, Pedro Fernández de Castro, conde de, 1576-16221
- Lent1
- Leocadia, Saint, -3031
- Leonis, Johannes, -14631
- Letter of Aristeas1
- Letters patent1
- Letters, Papal1
- León, Luis de, 1527-15911
- Litanies--Catholic Church1
- Literature, Medieval1
- Livres de chant liturgique1
- Logic, Medieval1
- Lorraine, Nicolas-François, duc de, 1609-16701
- Louis, Saint, Bishop of Toulouse, 1274-12971
- Love poetry, French1
- Love poetry, Latin1
- Lyric poetry1