- Kirmānī, Maḥmūd ibn Muḥammad, 1329?-1404 or 1405. Farāʼiḍ al-ījāz1
- Knowledge, Theory of (Hinduism)1
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- Kufic1
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- Kāfī al-mubtadiʼ min al-ṭullāb (Ibn Balabān, Muḥammad ibn Badr al-Dīn)1
- Kāsānī, Aḥmad Khvājagī1
- Kāvyaprakāśa (Mammaṭācārya)1
- Ladino language1
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- Lafões, Pedro Henrique de Bragança, Duque de, 1718-17611
- Laghuśabdenduśekhara (Nāgeśabhaṭṭa)1
- Lamaʻāt (ʻIrāqī, Fakhr al-Dīn Ibrāhīm)1
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