Former Owner
- Bernard Quaritch Ltd11
- Bernard Rosenthal1
- Bernard Serrigny1
- Bernardi1
- Bernardo Bembo2
- Bernardo Mendel1
- Bertram Ashburnham, 4th Earl of Ashburnham21
- Bertram Dobell1
- Bertrand de Chalençon1
- Bet din tsedeḳ London ṿeha-medinah3
- Betty Freudenheim1
- Beverly Chew4
- Biblioteka Tulezynska1
- Bibliotheca Beggadorum1
- Bibliotheca Philosophica Hermetica1
- Bill Jackson1
- Bill McGrath1
- Bloomsbury Auctions1
- Bodleian Library1
- Boies Penrose1