Former Owner
- Chasseigne family1
- Chester Carmelite Friary1
- Chiaravalle della Colomba Abbey1
- Chichester Cathedral1
- Chiswick Book Shop1
- Christian Gottlieb Schwarz1
- Christian Hertzig1
- Christiania Kathedralskoles Bibliothek3
- Christie's7
- Christopher Cheney1
- 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