- Kirchmair, Georg, 1481-15541
- Lang, Matthäus, 1468-15401
- Latin letters, Medieval and modern1
- Leo X, Pope, 1475-15211
- Letter writing1
- Loredano, Leonardo, doge of Venice, 1438-15211
- Love poetry, Latin (Medieval and modern)1
- Manuscripts, Greek (Medieval and modern)1
- Manuscripts, Latin (Medieval and modern)1
- Manuscripts, Spanish1
- Mariano, Fra1
- Medici, Lorenzo de', 1449-14921
- Metochites, Theodoros, 1270-13321
- Orthodox Eastern Church1
- Papal legates1
- Pasture, Right of1
- Paul V, Pope, 1552-16211
- Personal correspondence1
- Philipp I, Landgraf von Hessen, 1504-15671
- Poland1