- Masorah1
- Massachusetts--Northampton1
- Medallions (Decorative arts)1
- Medici, Alamanno de'1
- Medici, Bastiano de'1
- Medici, Carlo Bernardo Alamanni de'1
- Medici, Fernando de'1
- Medici, Nicolo de'1
- Monardes, Nicolás, approximately 1512-15881
- Monastic and religious life1
- Monasticism and religious orders for women1
- Motets1
- Mysticism--Judaism1
- New Jersey--Princeton1
- Notaries1
- Novitiate1
- Orta, Garcia de, active 16th century1
- Ospedale degli Innocenti (Florence, Italy)1
- Paganelli, Roberto1
- Papacy1