- Astrology, Iranian1
- Astrology, Turkish1
- Astronomical instruments3
- Astronomy13
- Astronomy, Arab20
- Astronomy, Arab--Tables1
- Astronomy, Greek1
- Astronomy--Charts, diagrams, etc--Early works to 18001
- Astronomy--Tables1
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah3
- Autographs69
- Autographs (Provenance)23
- Avicenna, 980-1037. Qaṣīdah al-rūḥīyah1
- Awḍaḥ al-masālik ilá Alfīyat Ibn Mālik (Ibn Hishām, ʻAbd Allāh ibn Yūsuf)4
- Ayyubids1
- Azharī, Khālid ibn ʻAbd Allāh, -1499. Sharḥ al-Ājurrūmīyah1
- Azharī, Khālid ibn ʻAbd Allāh, d. 1499. Muwaṣṣil al-ṭullāb ilá Qawāʻid al-iʻrāb1
- Babism1
- Badʼ al-amālī (Ūshī, ʻAlī ibn ʻUthmān)3
- Bahai Faith3