- Kinship (Islamic law)1
- Kitāb (Sībawayh, ʻAmr ibn ʻUthmān)1
- Kurds1
- Kāfiyajī, Muḥammad ibn Sulaymān, -1474. Sharḥ al-Iʻrāb ʻan qawāʻid al-iʻrāb1
- Kāfī fī al-ʻarūḍ wa-al-qawāfī (Tibrīzī, Yaḥyá ibn ʻAlī)1
- Land tenure--Law and legislation1
- Language and languages--Philosophy1
- Laqānī, Muḥammad ibn Ḥasan, 1468 or 1469-1550. Ḥāshiyat Taṣrīf al-ʻIzzī1
- Latin language1
- Latin language--Study and teaching1
- Latin poetry1
- Laudatory poetry, Latin1
- Learning1
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- Lemos, Pedro Fernández Ruiz de Castro y Osorio, conde de, active 17th century1
- Lemos, Pedro Fernández de Castro, conde de, 1576-16221
- Letter writing, Arabic1