- Middle East1
- Middle East--Palestine1
- Missions to Jews1
- Missions to Muslims1
- Molino, Gasparo1
- Monasteries1
- Moral education1
- Mythology, Classical1
- Names in the Bible1
- Natural history1
- Nauphle-le-Château (France)1
- Navigation1
- Nazarius, Saint, -681
- Neuland, Walter, active 14501
- Newfoundland and Labrador1
- North America--New France1
- Nouel, Jacques, 1551-1
- Octoechos (Orthodox Eastern Church)1
- Odilo, Saint, Abbot of Cluny, 962-1048 or 10491
- Odo, Saint, Abbot of Cluny, approximately 879-9421