- Knights of Malta3
- Latin literature3
- Latin literature--Study and teaching3
- Latin poetry, Medieval and modern3
- Leo X, Pope, 1475-15213
- Manners and customs3
- Manuscripts, Greek (Medieval and modern)3
- Manuscripts, Persian3
- Massachusetts--Boston3
- Medici, Alessandro de', 1510-15373
- Metaphysics3
- Monastic and religious life3
- Mysticism3
- Naval history3
- Nicomachean ethics (Aristotle)3
- Oaths3
- Passion of Jesus Christ3
- Paul III, Pope, 1468-15493
- Piccolomini della Triana, Silvio, 1878-19623
- Piccolomini, Ascanio Francesco3