Former Owner
- Brian Douglas Stilwell1
- Brick Row Book Shop1
- Bridget Hunt1
- Bruce P. Ferrini12
- Brudenell family2
- Brunori Cadamosto1
- Budapest University of Jewish Studies1
- Burgersdijk & Niermans1
- Burndy Library1
- Bury St Edmunds Abbey3
- Buxheim Charterhouse2
- Byron Reed1
- C Traylen Bookshop1
- C. Bruscoli1
- C. Duca Visconti Modrone1
- C. W. S. Dixon1
- C.B1
- C.J. Spence1
- Caesareum Societatis Jesu Collegium Viennense1
- Cambrai Cathedral1