- Judgment Day (Islam)1
- Lafões, Pedro Henrique de Bragança, Duque de, 1718-17611
- Law1
- Manuel I, King of Portugal, 1469-15211
- Manuscripts1
- Manuscripts, Hebrew1
- Manuscripts, Latin (Medieval and modern)1
- Manuscripts, Nahuatl1
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- Mardāwī, ʻAlī ibn Sulaymān, 1414 or 1415-1480 or 1481. Tanqīḥ al-mushbiʻ fī taḥrīr aḥkām al-Muqniʻ1
- Maria Anna Josefa, Queen, consort of John V, King of Portugal, 1683-17541
- Marriage--Religious aspects--Islam1
- Megilat Purim al Miṣriyin1
- Mexico1
- Mexico--Zempoala (Hidalgo)1
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- Mosteiro de S. Mónica (Lisbon, Portugal)1
- Mukhtaṣar al-Manār (Ibn Ḥabīb, Ṭāhir ibn al-Ḥasan)1
- Muqniʻ (Ibn Qudāmah, Muwaffaq al-Dīn ʻAbd Allāh ibn Aḥmad)1