Former Owner
- Brian Douglas Stilwell1
- Brick Row Book Shop1
- Bridget Hunt1
- Brudenell family1
- Brunori Cadamosto1
- Burgersdijk & Niermans1
- 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
- Carlo Francesco Frasconi1
- Carlo Morbio1
- Caspar René Gregory1
- Castel-Lodève family1