Former Owner
- Breslauer and Meyer1
- Brian Douglas Stilwell1
- Brick Row Book Shop1
- Brudenell family1
- Brunori Cadamosto1
- Budapest University of Jewish Studies1
- Burg Kreuzenstein1
- Burndy Library1
- Byron Reed1
- Bāpaṭa Kṛṣṇabhaṭa1
- 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
- Camillo Riccio1
- Carleton Rubira Richmond1