- Khānī, Qāsim ibn Ṣalāḥ al-Dīn, 1618 or 1619-1697 or 1698. ʻIlm al-manṭiq2
- Khūjahʹzādah, ʻAbd al-Naṣīr ibn ʻAbd Allāh, active 16th century. Taḥrīrāt ʻalá al-Ṭarīqah al-Muḥammadīyah1
- Knowledge, Theory of4
- Knowledge, Theory of (Islam)1
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)5
- Kātī, Ḥusām al-Dīn al-Ḥasan, -1358 or 1359. Qāla aqūl1
- Language and languages--Philosophy9
- Leather doublures1
- Lefèvre d'Étaples, Jacques, -15361
- Legacies (Islamic law)1
- Liquor laws (Islamic law)1
- Literary style1
- Logic✖[remove]490
- Logic, Medieval4
- Malikites3
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- Manuscripts149
- Manuscripts, Arabic305
- Manuscripts, Hebrew1