- Local history--Sources1
- Lord's Supper1
- Lorenzo, Giovanni Battista di1
- Lorraine, Nicolas-François, duc de, 1609-16701
- Louis XII, King of France, 1462-15151
- Lucan, 39-651
- Ludwig IV, Holy Roman Emperor, 1282?-13471
- Luther, Martin, 1483-15461
- Lutheran Church--Controversial literature1
- Lutheran Church--Controversial literature--Catholic authors1
- Macaronic poetry1
- Macaronic verse1
- Madrigals, Italian1
- Magic1
- Magic squares1
- Magnificat (Music)1
- Malatesta family1
- Malatesta, Sigismondo Pandolfo, signore di Rimini, 1417-14681
- Manicules1
- Manuele, Luigi1