- Ibn ʻAqīl, ʻAbd Allāh ibn ʻAbd al-Raḥmān, 1294?-1367. Sharḥ al-Alfīyah1
- Ibn Ḥijjah al-Ḥamawī, Taqī al-Dīn Abū Bakr ibn ʻAlī, -1434. Badīʻīyat1
- Illumination of books and manuscripts, Medieval1
- Illustrated works1
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- Ink1
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- Interdict (Canon law)1
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- Iran--Dizfūl1
- Iran--Sabzevār (Khurāsān-i Raz̤avī)1
- Iran--Urūmīyah1
- Iran--Zarqān (Fārs)1
- Iraq1
- Iraq--Baghdad1
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- Isabel, of Coimbra, Queen, consort of Afonso V, King of Portugal, 1432-14551
- Isabella I, Queen of Spain, 1451-15041
- Ishārāt wa-al-tanbīhāt (Avicenna)1