- Medicine1
- Medicine, Greek and Roman1
- Medicine, Magic, mystic, and spagiric1
- Medicine, Medieval1
- Middle East--Palestine1
- Miracles1
- Miracles--History of doctrines1
- Music--Manuscripts1
- Norbert, of Xanten, Saint, approximately 1080-11341
- Papal documents1
- Paste papers1
- Pastoral poetry1
- Peter Lombard, Bishop of Paris, approximately 1100-11601
- Phaedra (Greek mythological character)1
- Pilgrim badges1
- Popes--Election1
- Pregnancy1
- Prescriptions, formulae, receipts, etc.1
- Presentation leaves1
- Primus and Felician, Martyrs1