- Bahrām V, King of Iran, -4381
- Barbarossa, -15461
- Batista de Lanuza y Tafalla, Miguel, -1659. Vida de la venerable Madre Geronima de San Estevan1
- Batista de Lanuza y Tafalla, Miguel, -1659. Vida de la venerable madre Feliciana de San Ioseph1
- Battle of Pharsalus (Farsala, Greece : 48 B.C.)1
- Battles1
- Beards1
- Beverages1
- Bianchi, Ginolfo de'1
- Bible as literature1
- Bible. Romans1
- Bible. Song of Solomon1
- Binders' tickets1
- Birth of a person1
- Blaeu, Willem Janszoon, 1571-1638. Teatrum orbis terrarum1
- Bookplates1
- Booksellers' copies1
- Bosses (Bindings)1
- Bread1
- Bulqīnī, ʻUmar ibn Raslān, 1324-14031