- Astrolabes3
- Astrology, Arab5
- Astrology, Turkish2
- Astrology--Religious aspects1
- Astronomical instruments3
- Astronomy, Arab5
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah1
- Atoms1
- Autographs28
- Aṣḥāb al-kahf1
- Babism1
- Badr al-Rashīd, Muḥammad ibn Ismāʻīl, -1366. Alfāẓ al-kufr2
- Badr al-ṭāliʻ fī ḥall Jamʻ al-jawāmiʻ (Maḥallī, Jalāl al-Dīn Muḥammad ibn Aḥmad)1
- Badʼ al-amālī (Ūshī, ʻAlī ibn ʻUthmān)4
- Bahai Faith1
- Bahaüddin Nakşibend, 1318-1389. Awrād1
- Bahlawān, Mūsá ibn ʻAbd Allāh, -1720 or 1721. Risālah al-qiyāsīyah1
- Bahnasī, ʻAbd al-Wahhāb ibn al-Ḥasan, -1286 or 1287. Naẓm Muthallath Quṭrub1
- Bail (Islamic law)1
- Bakrī al-Ṣiddīqī, Muḥammad ibn Abī al-Afrāḥ, -1676. Qaṣīdah1