- Austria--Vienna1
- Authority--Religious aspects1
- Autograph albums1
- Autographs72
- Autos-da-fé3
- Azharot3
- Aḥmadī, Aḥmad ibn Muṣṭafá, active 1529. Munjī al-ʻaqāʼid1
- Bacán, Hernando de1
- Badr al-ṭāliʻ fī ḥall Jamʻ al-jawāmiʻ (Maḥallī, Jalāl al-Dīn Muḥammad ibn Aḥmad)3
- Badʼ al-amālī (Ūshī, ʻAlī ibn ʻUthmān)3
- 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
- Bakers2
- Balaibalan1
- Bandini, Francesco, 1505-15882
- Bankers1
- Banks and banking3
- Barbarossa, -15461
- Barducci, Filippo1