Former Owner
- Bonhams & Butterfield1
- Boudewijn Willemszoon van Drenckwaert1
- Branners Bibliofile Antikvariat1
- Breslauer and Meyer1
- Brian Douglas Stilwell1
- Brick Row Book Shop1
- Brunori Cadamosto1
- Budapest University of Jewish Studies1
- Burgersdijk & Niermans1
- Burndy Library1
- Byron Reed1
- C Traylen Bookshop1
- C. Duca Visconti Modrone1
- C. W. S. Dixon1
- C.B1
- C.J. Spence1
- Caesareum Societatis Jesu Collegium Viennense1
- Cambrai Cathedral1
- Cambron Abbey1
- Carl Hermann Grabauer1