- Lippomano, Luigi, 1500-15591
- Local government--Law and legislation1
- Logic, Medieval1
- Lord's prayer1
- Malatesta family1
- Malatesta, Sigismondo Pandolfo, signore di Rimini, 1417-14681
- Manners and customs1
- Manuscript maps1
- Manuscripts1
- Manuscripts, English1
- Manuscripts, French1
- Manuscripts, German1
- Manuscripts, Greek1
- Manuscripts, Greek (Medieval and modern)1
- Manuscripts, Spanish1
- Manzoli, Marchione1
- Maps1
- Martini, Luca, 1980-1
- Martino, Odino S., active 15th century1
- Marucelli, Benedetto1