Former Owner
- Bodleian Library1
- Boies Penrose1
- Bonaventura Brem1
- Bonhams & Butterfield1
- Breslauer and Meyer1
- Brian Douglas Stilwell1
- Brick Row Book Shop1
- Bridget Hunt1
- Bridgewater Library1
- Bristol Baptist College1
- Bruce Bannerman1
- Brudenell family1
- Brunori Cadamosto1
- Burg Kreuzenstein1
- Burgersdijk & Niermans1
- Byron Reed1
- C Traylen Bookshop1
- C. Duca Visconti Modrone1
- C. W. S. Dixon1
- C.B1