- Legal instruments1
- Letters patent1
- Local history1
- Local history--Sources1
- Manuscripts, Italian1
- Manuscripts, Latin1
- Manuscripts, Spanish1
- Margaret, Queen, consort of James IV, King of Scotland, 1489-15411
- Marshals1
- Massachusetts1
- Mayenne, Charles de Lorraine, Duc de, 1554-16111
- Medina, Francisco de, 1544-16151
- Morocco bindings1
- Motion1
- Mysteries and miracle-plays, English1
- Navies1
- North, Edward North, Baron, 1496?-15641
- Painted bindings1
- Paste paper bindings1
- Penmanship specimen books1