Former Owner
- Bonaventura Brem1
- Bonhams & Butterfield1
- Boudewijn Willemszoon van Drenckwaert1
- Brahmānaṃdatīrtha1
- Branners Bibliofile Antikvariat1
- Brayton C. Ives3
- Brian Douglas Stilwell1
- Brick Row Book Shop1
- Bridget Hunt1
- Bridgewater Library1
- Bristol Baptist College1
- Bruce Bannerman1
- Bruce P. Ferrini12
- Brudenell family1
- Brunori Cadamosto1
- Budapest University of Jewish Studies1
- Burg Kreuzenstein1
- Burgersdijk & Niermans1
- Burndy Library4
- Bury St Edmunds Abbey3