Former Owner
- Battle Abbey1
- Beatus Rhenanus1
- Benignus of Dijon1
- Benjamin Ashworth1
- Benjamin Franklin Stevens1
- Bern Dibner1
- Bernard Halliday1
- Bernard Quaritch1
- Bernard Serrigny1
- Bertram Dobell1
- Betty Freudenheim1
- Birch & Son1
- Bruce Bannerman1
- Budapest University of Jewish Studies1
- Buxheim Charterhouse1
- Camillo Riccio1
- Carleton Rubira Richmond1
- Carlo Archinto, 2nd Marquess of Parona, 3rd Count of Trainate1
- Carlo Francesco Frasconi1
- Carlo Morbio1