- Arithmetic1
- Asharites1
- Astrolabes4
- Astrology11
- Astrology, Arab1
- Astrology, Turkish1
- Astrometeorology4
- Astronomical instruments4
- Astronomy13
- Astronomy, Arab6
- Astronomy, Medieval1
- Astronomy--Religious aspects--Islam1
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah1
- Authority--Religious aspects--Islam1
- Autographs25
- Avicenna, 980-1037. Qaṣidah rūḥānīyah1
- Badʼ al-amālī (Ūshī, ʻAlī ibn ʻUthmān)3
- Bahai Faith1
- Bahai poetry1
- Bahlawān, Mūsá ibn ʻAbd Allāh, -1720 or 1721. Risālah al-qiyāsīyah1