Former Owner
- Boudewijn Willemszoon van Drenckwaert1
- Branners Bibliofile Antikvariat1
- Brick Row Book Shop1
- Bridget Hunt1
- Brudenell family1
- Budapest University of Jewish Studies1
- Burgersdijk & Niermans1
- Burndy Library1
- C.B1
- Caesareum Societatis Jesu Collegium Viennense1
- Carlo Francesco Frasconi1
- Castelluci1
- Catherina van Drenckwaert1
- Caxton Club1
- Cecil Brent1
- Cecil H. Clough1
- Chacère Family1
- Chapelle du monastère du Carmel de Nantes1
- Charles B. Hoyt1
- Charles Brodrick1