- Knowledge, Theory of (Islam)2
- Latin language2
- Learning and scholarship2
- Lettering pieces2
- Logic, Medieval2
- Lumʻah al-Dimashqīyah (Shahīd al-Awwal, Muḥammad ibn Makkī)2
- Mahdi2
- Manuscripts, English (Middle)2
- Manuscripts, Greek (Medieval and modern)2
- Manuscripts, Renaissance2
- Manār al-anwār fī al-uṣūl (Nasafī, ʻAbd Allāh ibn Aḥmad)2
- Marriage--Religious aspects--Islam2
- Mirqāt al-wuṣūl (Hüsrev, Molla)2
- Miscellanea2
- Missals2
- Monasticism and religious orders2
- Mukhtaṣar al-maʻānī (Taftāzānī, Masʻūd ibn ʻUmar)2
- Mulakhkhaṣ fī al-hayʼah (Jaghmīnī, Maḥmūd ibn Muḥammad)2
- Muslims2
- Naqshabandīyah2