Author
- Gregory of Nazianzus3
- Guillaume de Lanicia3
- Hamdullah Hamdi3
- Hasan Sezai Gülşenî3
- Haymo of Halberstadt3
- Henry Hakesalt3
- Henry Suso3
- Hubert de Burgh, 1st Earl of Kent3
- Ibrāhīm ibn Mūsá Ṭarābulusī3
- Isaac Newton3
- Ismāʻīl ibn Ibrāhīm İsfendiyaroǧlu3
- Isḥāq ibn Ḥasan Tūqādī3
- Ivo of Chartres3
- Jacobus de Teramo3
- Jacques Legrand3
- Jaghmini3
- Jalal Al-Din Al-Khabazi3
- Jalaluddin al-Mahalli3
- James of Milan3
- Jayakr̥ṣṇa3