- Athanasian Creed1
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah. Qism al-Ṭabīʻī wa-al-ilāhī1
- Auctions1
- Audiore, Antonio1
- Augsburg Confession1
- Austria--Kitzbühel1
- Austria--Lambach (Upper Austria)1
- Austria--Vienna1
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- Autograph albums1
- Aḥmadī, Aḥmad ibn Muṣṭafá, active 1529. Munjī al-ʻaqāʼid1
- Bacán, Hernando de1
- Bahjah al-Wardīyah (Ibn al-Wardī, Zayn al-Dīn ʻUmar ibn al-Muẓaffar)1
- Bahjah al-marḍīyah (Suyūṭī)1
- Bahrām V, King of Iran, -4381
- Balaibalan1
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- Barbarossa, -15461
- Barducci, Filippo1
- Bargas family1