Former Owner
- Bernard Serrigny1
- Bertram Ashburnham, 4th Earl of Ashburnham1
- Bertram Dobell1
- Betty Freudenheim1
- Birch & Son1
- Bone, Michael1
- Bonvesino, Marco1
- Bruce Bannerman1
- Burndy Library1
- Buxheim Charterhouse1
- Camillo Riccio1
- Carleton Rubira Richmond1
- Carlo Archinto, 2nd Marquess of Parona, 3rd Count of Trainate1
- Carlo Francesco Frasconi1
- Carlo Morbio1
- Catharine Wisser1
- Cecil H. Clough1
- Champmol1
- Charles Brodrick1
- Charles Butler1