Former Owner
- Bibliotheca Beggadorum1
- Bibliotheca Philosophica Hermetica1
- Bibliotheque Seminaire de Notre Dame de Puy1
- Bill Jackson1
- Bill Ward1
- Birch & Son1
- Birgittinessenklooster Mariënwater1
- Blenheim Palace1
- Bodleian Library1
- Boies Penrose1
- Bonaventura Brem1
- Bone, Michael1
- Bonhams & Butterfield1
- Bonvesino, Marco1
- Boudewijn Willemszoon van Drenckwaert1
- Brahmānaṃdatīrtha1
- Branners Bibliofile Antikvariat1
- Breslauer and Meyer1
- Brian Douglas Stilwell1
- Brick Row Book Shop1