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- God (Islam)--History of doctrines1
- Hadith--Authorities1
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- Ibn al-Fāriḍ, ʻUmar ibn ʻAlī, 1181 or 1182-12351
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- Ibn al-Ḥājib, ʻUthmān ibn ʻUmar, 1175-1249. Shāfiyah fī al-taṣrīf1
- Ibn ʻAllān, Muḥammad ʻAlī ibn Muḥammad, 1588-1648. Ḍawābiṭ al-taqṭīʻ1
- Imamate1
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- Intention--Religious aspects--Islam1
- Iran--Tabrīz1
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- Islam and politics1
- Islam--Prayers and devotions1
- Islamic Empire1
- Islamic cosmology1