Former Owner
- 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
- Brick Row Book Shop1
- Bridget Hunt1
- Bruce Bannerman1
- Burg Kreuzenstein1
- Burgersdijk & Niermans1
- Burndy Library1