Former Owner
- Bernard Quaritch1
- Bernardus de Pedio1
- Bertram Ashburnham, 4th Earl of Ashburnham2
- Birch & Son1
- Blenheim Palace1
- C.J. Spence1
- Champmol1
- Charles Brodrick1
- Charles Butler1
- Charles F. Gunther1
- Charles Sessler2
- Clarence Howard Clark, Sr.2
- Clarence S. Bement1
- Claude Le Muet1
- Clement XI1
- Clément de Renesse-Breidbach1
- Cologne Charterhouse1
- Conradus Eerens1
- Convento di San Giusto alle Mura1
- Convento di San Paolo1