Former Owner
- Basilios Bessarion1
- Battle Abbey1
- Bernard Quaritch Ltd3
- Bertram Ashburnham, 4th Earl of Ashburnham2
- Bertram Dobell1
- Bill Jackson1
- Cambron Abbey1
- Carlo Archinto, 2nd Marquess of Parona, 3rd Count of Trainate1
- Charles Butler1
- Charles Chardin2
- Charles Eliot Norton2
- Charles Hurleston1
- Charles Lenormand du Coudray1
- Charles Stephen Ascherson1
- Charles Stuart, 1st Baron Stuart de Rothesay1
- Château d'Anet1
- Coella Lindsay Ricketts6
- Collegium Agennensis societatis Jesu (Agen, France)2
- Cologne Charterhouse3
- Convent San Marco1