- Isabel, of Coimbra, Queen, consort of Afonso V, King of Portugal, 1432-14551
- Isbījābī, Aḥmad ibn Manṣūr, -approximately 1087. Sharḥ al-Mukhtaṣar fī al-fiqh1
- Ise monogatari1
- Isfarāyīnī, Muḥammad ibn Muḥammad, -1285. al-Lubāb fī ʻilm al-iʻrāb1
- Islam and culture1
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- Islamic chronology1
- Islamic civilization1
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