Former Owner
- C Traylen Bookshop1
- Carl Hermann Grabauer1
- Charles Alexander de Cosson1
- Charles D. Humberd1
- Charles F. Gunther1
- Charles Joseph Harford1
- Charles Sumner1
- Charles V of France1
- Charles, Prince of Soubise1
- Chester Carmelite Friary1
- Christiania Kathedralskoles Bibliothek1
- Christie's1
- Christophorus de Stinglhaim1
- Church of St Botolph1
- Claude Augustin de Cosson1
- Claude d'Urfé1
- Clement Griscom1
- Collegium Agennensis societatis Jesu (Agen, France)1
- Coluccio Salutati1
- Comte Chandon de Briailles1