- Juana, of Austria, Princess of Portugal, 1535-15733
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Miṣbāḥ fī sharḥ al-Miftāḥ3
- Latin America3
- Latin poetry3
- Leases3
- Leather bindings3
- Leo X, Pope, 1475-15213
- Manuscripts, Nahuatl3
- Maps3
- Maṣābīḥ al-sunnah (Baghawī, al-Ḥusayn ibn Masʻūd)3
- Medici, Alessandro de', 1510-15373
- Medicine, Medieval--Manuscripts3
- Medicine--Manuscripts3
- Military policy3
- Monasticism and religious orders3
- Mukhtaṣar al-Qudūrī (Qudūrī, Aḥmad ibn Muḥammad)3
- Mukhtār lil-fatwá (Mawṣilī, ʻAbd Allāh ibn Maḥmūd)3
- Mulakhkhaṣ fī al-hayʼah (Jaghmīnī, Maḥmūd ibn Muḥammad)3
- Muṭarrizī, Nāṣir ibn ʻAbd al-Sayyid, 1144-1213. Miṣbāḥ fī al-naḥw3
- Mysticism--Islam3