- Jews--Politics and government1
- Judeo-Arabic letters1
- Karaites1
- Lead industry and trade1
- Ludovico Sforza, Duke of Milan, 1452-15081
- Manuscripts1
- Manuscripts, European1
- Manuscripts, French1
- Manuscripts, Latin (Medieval and modern)1
- Manuscripts, Medieval1
- Martyrdom1
- Martyrs1
- Mary, Queen of Scots, 1542-15871
- Massachusetts--Boston1
- Medici, Lorenzo de', 1449-14921
- Middle East--Babylonia1
- Middle East--Jerusalem1
- Monardes, Nicolás, approximately 1512-15881
- North Africa1
- Olive oil industry1