- Astronomical instruments5
- Astronomy4
- Astronomy, Arab6
- Astronomy--Religious aspects--Islam1
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah1
- Authority--Religious aspects2
- Autographs63
- Avicenna, 980-1037. Qaṣīdah al-rūḥīyah1
- Azharī, Khālid ibn ʻAbd Allāh, -1499. Muqaddimah al-Azʹharīyah1
- Badr al-Rashīd, Muḥammad ibn Ismāʻīl, -1366. Alfāẓ al-kufr1
- Badʼ al-amālī (Ūshī, ʻAlī ibn ʻUthmān)4
- Bahlawān, Mūsá ibn ʻAbd Allāh, -1720 or 1721. Risālah al-qiyāsīyah1
- Baqī ibn Makhlad, 816 or 17-889 or 90. Musnad1
- Basmalah7
- Battle of Badr (Badr Ḥunayn, Saudi Arabia : 624)1
- Battle of Karbalāʼ (Karbalāʼ, Iraq : 680)1
- Bayḍāwī, ʻAbd Allāh ibn ʻUmar, -1286?1
- Bazzār, Khalaf ibn Hishām, 767 or 768-8441
- Beards--Religious aspects--Islam2
- Bedreddin, Şeyh, 1358?-1420. Varidat1