- Lemos, Pedro Fernández de Castro, conde de, 1576-16221
- Letter of Aristeas1
- León, Luis de, 1527-15911
- Literature, Medieval1
- Lollards1
- Lombards1
- Macaronic poetry1
- Macaronic verse1
- Manuscripts, French1
- Manuscripts, German1
- Marie de Médicis, Queen, consort of Henry IV, King of France, 1573-16421
- Marriage (Canon law)1
- Marriage (Canon law)--Dispensations1
- Marriage--Religious aspects1
- Marriage--Religious aspects--Christianity1
- Marshals1
- Marucelli, Benedetto1
- Marucelli, Francesco, 1625-17031
- Mary, Blessed Virgin, Saint1
- Mary, of Bethany, Saint1