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- Ibn Yūsuf al-Ṣafī, Muḥammad, 1421-14871
- Ibn al-Fāriḍ, ʻUmar ibn ʻAlī, 1181 or 1182-1235. Tāʾīyah1
- Ibn al-Jarādiqī, Muḥammad ibn ʻAlī, approximately 1373-14571
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- Ibn ʻUmrān, Muḥammad ibn Mūsá, 1392-14691
- Ijtihād (Islamic law)1
- Illumination of books and manuscripts, French1
- Imprisonment1
- Indexes1
- India--Delhi1
- India--Hyderabad1
- India--Surat1
- Indians of Central America--Missions1
- Indians of Central America--Taxation1
- Indians of Mexico--Land tenure1
- Indians of Mexico--Religion1
- Indians of Mexico--Social life and customs1
- Indians of South America1