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- Bail (Islamic law)1
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- Bakrī, Abū al-Ḥasan ibn Jalāl al-Dīn, -approximately 1543. Ḥizb1
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- Bank deposits (Islamic law)1
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- Bardaʻī, Muḥammad ibn Muḥammad, -1520 or 1521. Ḥāshiyat al-Bardāʻī1
- Bassāmat ahl al-bayt (Wazīrī, Ibrāhīm ibn Muḥammad)1
- Baths, Turkish1
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- Bayḍāwī, ʻAbd Allāh ibn ʻUmar, -1286? Lubb al-albāb1
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