- Knights of Malta1
- Land titles--Registration and transfer1
- Latin poetry, Medieval and modern1
- Lawyers1
- Learning and scholarship1
- Leo XI, Pope, 1535-16051
- Lippomano, Luigi, 1500-15591
- Lute music1
- Malatesta family1
- Malatesta, Sigismondo Pandolfo, signore di Rimini, 1417-14681
- Mancini, Girolamo, 1832-19241
- Manicules1
- Manuscripts, Catalan1
- Manuscripts, Greek (Medieval and modern)1
- Manuscripts, Hebrew1
- Marriage (Canon law)1
- Marriage (Canon law)--Dispensations1
- Marshals1
- Martellini, Vincenzio1
- Marucelli, Benedetto1