Former Owner
- C Traylen Bookshop1
- C. W. S. Dixon1
- Carlo Longland1
- Catherine Barton1
- Catherine Conduitt3
- Cati S Thomas1
- Cecil Dunn Gardner1
- Charles Bruce, 3rd Earl of Ailesbury1
- Charles Butler1
- Charles E. Roseman Jr.1
- Charles F. Gunther1
- Charles Golding1
- Charles Hoff5
- Charles Hurleston1
- Charles Joseph Harford1
- Charles Sessler1
- Charles Seymour, 6th Duke of Somerset1
- Charles V. Wheeler1
- Charles William Dyson Perrins3
- Charles William Hamilton Sotheby3