Author
- Imad ad-Din al-Isfahani1
- Imam Ar-Rafi'i1
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 13461
- Jaghmini1
- Jalal al-Din Davani1
- Jalaluddin al-Mahalli1
- John Gower1
- John of Genoa1
- John of Glastonbury1
- Junayd ibn Sandal Baghdādī1
- Kamal Khujandi1
- Kamāl al-Dīn Turkumānī1
- Khayr al-Dīn Khalīl1
- Khaṭīb Qādā, ʻAbd Allāh ibn Muḥammad, active 15th century1
- Khvājah Muḥammad Pārsā1
- Khālid ibn ʻAbd Allāh al-Azharī1
- Leonardo Mainardi1
- Liang Qian1
- Liu Song1
- Mahmud ibn Ali al-Qashani1