Former Owner
- Birgittinessenklooster Mariënwater1
- Boies Penrose II1
- Bonvesino, Marco1
- Budapest University of Jewish Studies1
- Burg Kreuzenstein1
- C. Bruscoli1
- Caesareum Societatis Jesu Collegium Viennense1
- Carl Alphons Geigy-Hagenbach1
- Carleton Rubira Richmond1
- Castelluci1
- Catherine de' Medici1
- Cecil Deedes1
- Charles Alexander de Cosson1
- Charles Coffin Little1
- Charles D. Humberd1
- Charles Edward Harris-St. John1
- Charles Joseph Harford1
- Charles Kothen1
- Charles Lormier1
- Charles Louis Adelaïde Henri Matheron Curnieu1