- Love poetry, Latin (Medieval and modern)1
- Love songs1
- Ludovico Sforza, Duke of Milan, 1452-15081
- Lute music1
- Machiavelli family1
- Madrigals, Italian1
- Malatesta family1
- Malatesta, Sigismondo Pandolfo, signore di Rimini, 1417-14681
- Mancini, Girolamo, 1832-19241
- Manuscripts, Catalan1
- Manuscripts, German1
- Manuscripts, Greek1
- Manuscripts, Greek (Medieval and modern)1
- Marbled paper bindings1
- Mariano, Fra1
- Marital property1
- Marriage1
- Martellini, Vincenzio1
- Martini, Giovanni1
- Martini, Luca, 1980-1