Author
- Ismāʻīl ibn Ghunaym Jawharī1
- Ismāʻīl ibn Muḥammad Māzandarānī1
- Ismāʻīl ibn Muḥammad Qūnawī1
- Ismāʻīl ibn Sinān Sīwāsī1
- Ismāʻīl ibn ʻAlī Ibn Muʻallá1
- Ismāʻīl ibn ʻAlī ibn al-Ḥāʼik1
- Istanbulī, Muṣṭafá Zakī1
- Isḥāq ibn Ibrāhīm Fārābī1
- Isḥāq ibn Yūsuf Ṣardafī1
- Jalal al-Din Mohammad Tabrizi1
- Jamshīd al-Kāshī1
- Jamāl al-Dīn Aḥmad ibn Muḥammad Ẓāhirī1
- Jamālī Ardistani1
- Jawad al-Amili1
- Jayyānī, al-Ḥusayn ibn Muḥammad, 1035-1105?1
- Jaʻfar Astarābādī1
- Jaʻfar Vāʻiẓ1
- John Gower1
- John of Glastonbury1
- Juan Páez de Castro1