- Islamic poetry, Arabic1
- Isnawī, ʻAbd al-Raḥīm ibn al-Ḥasan, 1305-13701
- Jamʻ bayna al-ṣaḥīḥayn (Ḥumaydī, Muḥammad ibn Fattūḥ)1
- Jawharī, Ismāʻīl ibn Ḥammād, -1003? Tāj al-lughah wa-ṣiḥāḥ al-ʻArabīyah1
- Kabāʼir (Muḥammad ibn ʻAbd al-Wahhāb)1
- Khiṭāʼī, ʻUthmān, active 15th century. Ḥāshiyah ʻalá al-Sharḥ al-mukhtaṣar1
- Khulāṣat al-ḥisāb (ʻĀmilī, Bahāʼ al-Dīn Muḥammad ibn Ḥusayn)1
- Kinship (Islamic law)1
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Letter writing, Arabic1
- Lexicography1
- Lexicology1
- Libraries1
- Logic1
- Madrasah al-ʻUmarīyah (Damascus, Syria)1
- Manuscripts1
- Manuscripts, Renaissance1
- Manuscripts, Urdu1
- Manāzil al-sāʼirīn (Anṣārī al-Harawī, ʻAbd Allāh ibn Muḥammad)1
- Maqṣūrah (Ibn Durayd, Muḥammad ibn al-Ḥasan)1