- Knowledge, Theory of (Islam)2
- Kāfī al-mubtadiʼ min al-ṭullāb (Ibn Balabān, Muḥammad ibn Badr al-Dīn)2
- Leather bindings2
- Letter writing, Arabic2
- Letter writing, Persian2
- Loans (Islamic law)2
- Love2
- Lāmīyat al-ʻArab (Shanfará)2
- Manuscripts, Amharic2
- Manuscripts, Armenian2
- Manuscripts, Hindi2
- Manuscripts, Javanese2
- Manuscripts, Latin2
- Manuscripts, Portuguese2
- Marriage--Religious aspects2
- Marriage--Religious aspects--Islam2
- Masnavis2
- Maṣābīḥ al-sunnah (Baghawī, al-Ḥusayn ibn Masʻūd)2
- Medical education2
- Medicine, Medieval2