Former Owner
- Benjamin Franklin Stevens1
- Bern Dibner1
- Bernard Halliday1
- Bernard Quaritch1
- Bernard Rosenthal1
- Bernard Serrigny1
- Bernardi1
- Bernardo Mendel1
- Bertram Dobell1
- Bertrand de Chalençon1
- Betty Freudenheim1
- Biblioteka Tulezynska1
- Bill Jackson1
- Bill McGrath1
- Bloomsbury Auctions1
- Bodleian Library1
- Boies Penrose II1
- Bonvesino, Marco1
- Brick Row Book Shop1
- Bridget Hunt1