- Geometry1
- God (Islam)--Proof1
- God (Islam)--Worship and love1
- Gulshan-i rāz (Shabistarī, Maḥmūd ibn ʻAbd al-Karīm)1
- Hadith (Shiites)1
- Ibn Sharaf Shāh, Ḥasan ibn Muḥammad, 1247 or 1248-1315 or 1316. Wāfīyah fī sharḥ al-Kāfīyah1
- Ishārāt wa-al-tanbīhāt (Avicenna)1
- Islam1
- Islam--Customs and practices1
- Islam--Terminology1
- Islamic Empire1
- Islamic heresies1
- Islamic law1
- Islamic sermons, Arabic1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Maṭāliʻ al-anẓār1
- Iẓhār al-asrār (Birgivî Mehmet Efendi)1
- Judgment Day (Islam)1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Shamsīyah1
- Jāmī, 1414-1492. Risālah-i muʻammā1
- Kaffawī, Muḥammad ibn Ḥumayd, -1760 or 1761. Ādāb al-baḥth1