- Aḥmad ibn Qāsim, 1813 or 1814-approximately 1856 or 1857. Wasīlat al-mubtadiʼīn li-ʻilm ghurrat al-shuhūr wa-al-sinīn1
- Bacterial diseases1
- Badawī, Aḥmad, 1200?-12761
- Bagalāmukhī (Hindu deity)1
- Baglioni, Niccolò1
- Bahai Faith--Sacred books1
- Bahjah al-marḍīyah (Suyūṭī)1
- Bahnasī, ʻAbd al-Wahhāb ibn al-Ḥasan, -1286 or 1287. Naẓm Muthallath Quṭrub1
- Balances (Weighing instruments)1
- Baldini, Antonio1
- Baldo, Antonio di1
- Baldo, Vestro di1
- Balducci, Domenico1
- Balducci, Nonnina1
- Balestriere, Antonio1
- Ballads1
- Bandinelli, Antonia1
- Bandinelli, Lisabetta1
- Bandinelli, Lodovico1
- Banyan tree--Religious aspects1