- Jews--Legal status, laws, etc.3
- Jews--Medicine3
- Jews--Persecutions3
- Kanz al-wuṣūl ilá maʻrifat al-uṣūl (Bazdawī, ʻAlī ibn Muḥammad)3
- Kashshāf (Zamakhsharī, Maḥmūd ibn ʻUmar)3
- Khawwāṣ, Aḥmad ibn ʻAbbād, 1378?-1454. Kāfī fī ʻilmay al-ʻarūḍ wa-al-qawāfī3
- Khiḍr (Legendary character)3
- Laments3
- Latin language--Grammar3
- Letter writing3
- Letter writing, Persian3
- Local officials and employees3
- Mamelukes3
- Manicules3
- Manuscripts, Aramaic3
- Manuscripts, Dutch3
- Manuscripts, Urdu3
- Manuscripts, Yiddish3
- Maqṣūrah (Ibn Durayd, Muḥammad ibn al-Ḥasan)3
- Marghīnānī, ʻAlī ibn Abī Bakr, -1196 or 1197. Bidāyat al-mubtadá3