- Iran--Qazvīn1
- Iran--Shīrāz1
- Iraq1
- Isbījābī, Aḥmad ibn Manṣūr, -approximately 1087. Sharḥ al-Mukhtaṣar fī al-fiqh1
- Islam--Prayers and devotions1
- Islam--Religious life1
- Islam--Terminology1
- Islam--Theology1
- Islamic chronology1
- Islamic interpretations of sacred works1
- Islamic literature, Arabic1
- Islamic painting1
- Islamic poetry1
- Islamic religious education1
- Islamic sermons1
- Islamic sermons, Persian1
- Izmīrī, Muṣṭafá ibn Rajab, active 17th century1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Maṭāliʻ al-anẓār1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tasdīd al-ʻaqāʾid fī sharḥ Tajrīd al-qawāʻid1
- Jawī Zādah, Muḥammad ibn Ilyās, -1547 or 1548. Risālah fī al-masḥ ʻalá al-khuffayn1