- Judgment Day (Islam)1
- Jāmiʻ al-ṣaghīr (Suyūṭī)1
- Jāmiʻ al-ṣaḥīḥ (Bukhārī, Muḥammad ibn Ismāʻīl)1
- Kaydānī. Maṭālib al-muṣallī1
- Khawwāṣ, Aḥmad ibn ʻAbbād, 1378?-1454. Kāfī fī ʻilmay al-ʻarūḍ wa-al-qawāfī1
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Language and languages--Philosophy1
- Liturgics1
- Logic1
- Mabādiʼ fī al-taṣrīf (Zanjānī, ʻAbd al-Wahhāb ibn Ibrāhīm)1
- Malikites1
- Manuscripts, Latin (Medieval and modern)1
- Manār al-anwār fī al-uṣūl (Nasafī, ʻAbd Allāh ibn Aḥmad)1
- Maqāmāt (Ḥarīrī)1
- Marāḥ al-arwāḥ (Ibn Masʻūd, Aḥmad ibn ʻAlī)1
- Mashāriq al-anwār (Ṣaghānī, al-Ḥasan ibn Muḥammad)1
- Metaphysics1
- Middle East1
- Miftāḥ al-ʻulūm (Sakkākī, Yūsuf ibn Abī Bakr)1
- Mulakhkhaṣ fī al-hayʼah (Jaghmīnī, Maḥmūd ibn Muḥammad)1