- Learning and scholarship1
- Lenzi family1
- Leo X, Pope, 1475-15211
- Leo XI, Pope, 1535-16051
- Letter writing1
- Lippomano, Luigi, 1500-15591
- Lord's prayer1
- Machiavelli family1
- Malatesta family1
- Malatesta, Sigismondo Pandolfo, signore di Rimini, 1417-14681
- Mancini, Girolamo, 1832-19241
- Manuscripts, Catalan1
- Manuscripts, English1
- Manuscripts, German1
- Manuscripts, Greek (Medieval and modern)1
- Mariano, Fra1
- Marie de Médicis, Queen, consort of Henry IV, King of France, 1573-16421
- Marriage1
- Martellini, Vincenzio1
- Martini, Giovanni1