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- Khalīl ibn Isḥāq al-Jundī, -1365? Mukhtaṣar Bāb al-yamīn1
- Khulāṣat al-ḥisāb (ʻĀmilī, Bahāʼ al-Dīn Muḥammad ibn Ḥusayn)6
- Khādimī, Muḥammad ibn Muṣṭafá, 1701 or 2-1762 or 3. Majāmiʻ al-ḥaqāʼiq wa-al-qawāʻid wa-jawāmiʻ al-raqāʼiq wa-al-fawāʼid1
- Khādimī, Muḥammad ibn Muṣṭafá, 1701 or 2-1762 or 3. Risālah fī ajzāʼ al-qaḍīyah1
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- Kings and rulers--Duties2
- Kings and rulers--Religious aspects--Hinduism1
- Kinship (Islamic law)2
- Knowledge, Theory of (Islam)1
- Kufr (Islam)1
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)10
- Kāfī (Kulaynī, Muḥammad ibn Yaʻqūb)6
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- Kūrānī, Ṭānā ibn Aḥmad, d. 1884? Naẓm Mukhtaṣar al-Manār1
- Lacquered bindings14
- Ladino language1
- Ladino literature1
- Ladino poetry1