- Juana, of Austria, Princess of Portugal, 1535-15731
- Judaism1
- Legal documents1
- Liebfrauenkirche (Halberstadt, Germany)1
- Liturgics1
- Local officials and employees--Salaries, etc.1
- Manuscripts1
- Manuscripts, Catalan1
- Manuscripts, European1
- Matthei, Bernardino1
- Małogoszcz (Poland)1
- Missions1
- Monasticism and religious orders--Middle Ages1
- Montúfar, Alonso de, active 1512-15701
- Morelli, Lorenzo Matteo, active 1480-14811
- Moriscos1
- New Jersey--Princeton1
- Oria, Johannes d'1
- Parchment (Paper)1
- Piccolomini, Giulio1