- Astronomy6
- Astronomy, Arab9
- Atlases (Geographic)6
- Auction copies1
- Aurangzeb, Emperor of Hindustan, 1618-17071
- Austria1
- Austria--Vienna2
- Authors, Classical18
- Autographs3
- Avodah (Yom Kippur liturgy)1
- Awḍaḥ al-masālik ilá Alfīyat Ibn Mālik (Ibn Hishām, ʻAbd Allāh ibn Yūsuf)1
- Azharī, Khālid ibn ʻAbd Allāh, d. 1499. Muwaṣṣil al-ṭullāb ilá Qawāʻid al-iʻrāb1
- Bahnasī, ʻAbd al-Wahhāb ibn al-ḥasan, d. 1286 or 7. Naẓm Muthallath Quṭrub1
- Banks and banking1
- Barducci, Filippo1
- Bargas family1
- Basmalah1
- Battle of Covadonga (Covadonga, Spain : 718)1
- Battle of Karbalāʼ (Karbalāʼ, Iraq : 680)1
- Bayḍāwī, ʻAbd Allāh ibn ʻUmar, -1286? Lubb al-albāb1