- Imāmʹzādah, Muḥammad ibn Abī Bakr, 1097 or 1098-1177 or 1178. Shirʻat al-Islām1
- Intabulations1
- Intabulations (Lute)1
- Intellectual life1
- Interfaith relations1
- Iran1
- Iraq1
- Ishārāt wa-al-tanbīhāt (Avicenna)1
- Islam--Rituals1
- Islam--Theology1
- Islamic eschatology1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tashyīd al-Qawāʻid1
- Iẓhār al-asrār (Birgivî Mehmet Efendi)1
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- Judges (Islamic law)1
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- Jāmiʻ al-ṣaghīr (Suyūṭī)1
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- Kardarī, Ibn al-Bazzāz, -1424. Fatāwá al-Bazzāzīyah1