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- Ijtihād (Islamic law)1
- India1
- India--Delhi1
- India--Hyderabad1
- Inheritance and succession (Islamic law)1
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- Iran--Mashhad1
- Isfarāyīnī, Muḥammad ibn Muḥammad, -1285. Ḍawʼ al-Miṣbāḥ1
- Islam--Customs and practices1
- Islamic education1
- Islamic etiquette1
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- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tasdīd al-ʻaqāʼid fī sharḥ Tajrīd al-qawāʻid1
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