- Literature, Medieval1
- Local officials and employees1
- Logic, Medieval1
- Lord's Supper--Adoration1
- Lotti, Piero1
- Ludovico Sforza, Duke of Milan, 1452-15081
- Luti, Lutoccio1
- Machiavelli family1
- Magic1
- Magistrates, Roman1
- Malavolti, Bartolomeo de1
- Malavolti, Donusdei Margarita de1
- Malavolti, Francesco di Bartolomeo de1
- Malavolti, Orlando Donusdei de1
- Manners and customs1
- Manni, Marino1
- Manuscript waste (Binding)1
- Manuscripts, Greek (Medieval and modern)1
- Manuscripts, Spanish1
- Manuscripts, Yiddish1