Former Owner
- Branners Bibliofile Antikvariat1
- Brick Row Book Shop1
- Bridget Hunt1
- Bruce Bannerman1
- Brudenell family1
- Budapest University of Jewish Studies1
- Burg Kreuzenstein1
- Burgersdijk & Niermans1
- C.B1
- Caesareum Societatis Jesu Collegium Viennense1
- Camillo Riccio1
- Carleton Rubira Richmond1
- Carlo Bonaparte1
- Carlo Francesco Frasconi1
- Carlo Morbio1
- Castelluci1
- Catharine Wisser1
- Catherina van Drenckwaert1
- Caxton Club1
- Cecil Brent1