Former Owner
- Basilica of Santa Maria Novella1
- Basilios Bessarion1
- Battista di Ser Cicco di Fermo1
- Battle Abbey1
- Bayeux Cathedral1
- Baḥrānī, Muḥammad ibn ʻAlī ibn Ḥaydar ibn Ḥasan ibn Ḥaydar1
- Beatrice de Fouar1
- Beatus Rhenanus1
- Beinecke Rare Book & Manuscript Library1
- Benedetto Pistrucci1
- Benediktinerinnenabtei St. Walburg1
- Benetto Spinelli1
- Benignus of Dijon1
- Benjamin Ashworth1
- Benjamin Heywood Bright1
- Benjamin ben Salem Elark1
- Benoît Le Court1
- Bentley Lyonel John Tollemache, 3rd Baron Tollemache1
- Bergendal Collection1
- Bern Dibner1