Former Owner
- Christophorus de Stinglhaim1
- Chrétien-François II de Lamoignon1
- Church of St Botolph1
- Church of St James, Sarsden1
- Church of St Peter, Chertsey2
- Château d'Anet1
- Cini Johan de Barisani1
- Cistercian Abbey of Beaupré1
- City College of New York1
- Clara von Vorssel1
- Clarence Howard Clark, Sr.2
- Clarence Lee Cline1
- Clarence S. Bement4
- Claude Augustin de Cosson1
- Claude Joseph Constant Despine1
- Claude Le Muet1
- Claude d'Urfé2
- Claude de Fonsèque1
- Clement Griscom1
- Clement VII1