- Khaṣṣāf, Aḥmad ibn ʻUmar, -874 or 875. Adab al-Qāḍī1
- Kings and rulers1
- Kinship (Islamic law)1
- Kitāb (Sībawayh, ʻAmr ibn ʻUthmān)1
- Kāfiyajī, Muḥammad ibn Sulaymān, -1474. Sharḥ al-Iʻrāb ʻan qawāʻid al-iʻrāb1
- Kāfī fī al-ʻarūḍ wa-al-qawāfī (Tibrīzī, Yaḥyá ibn ʻAlī)1
- Lacquered bindings1
- Language and languages--Philosophy1
- Laqānī, Muḥammad ibn Ḥasan, 1468 or 1469-1550. Ḥāshiyat Taṣrīf al-ʻIzzī1
- Learning1
- Legal instruments1
- Legends1
- Letter writing, Turkish1
- Libraries1
- Liturgics--Texts1
- Loans (Islamic law)1
- Love in literature1
- Lāmīyah (Zaqqāq, ʻAlī ibn Qāsim)1
- Mabādiʼ fī al-taṣrīf (Zanjānī, ʻAbd al-Wahhāb ibn Ibrāhīm)1
- Magic squares1