- Isfarāyīnī, Muḥammad ibn Muḥammad, -1285. Ḍawʼ al-Miṣbāḥ4
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 1285. Lubb al-albāb fī ʻilm al-iʻrāb3
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 1285. Lubāb al-iʻrāb2
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 1285. Ḍawʼ ʻalá al-Miṣbāḥ4
- Ishārāt wa-al-tanbīhāt (Avicenna)1
- Isidore, of Seville, Saint, -6361
- Isidore, of Seville, Saint, -636. Etymologiae1
- Iskandarnāmah (Niẓāmī Ganjavī)2
- Islam118
- Islam and culture1
- Islam and philosophy2
- Islam and politics4
- Islam and state1
- Islam--Apologetic works1
- Islam--Customs and practices46
- Islam--Doctrines139
- Islam--Functionaries1
- Islam--History--Handbooks, manuals, etc--Early works to 18002
- Islam--Miscellanea--Early works to 18002
- Islam--Prayers and devotions38