Former Owner
- Bodleian Library1
- Boies Penrose1
- Bonaventura Brem1
- Boudewijn Willemszoon van Drenckwaert1
- Brahmānaṃdatīrtha1
- Branners Bibliofile Antikvariat1
- 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