Former Owner
- Aulne Abbey2
- Bateman family1
- Bernard M. Rosenthal1
- Bernard Quaritch Ltd2
- Bertram Ashburnham, 4th Earl of Ashburnham4
- Bertram Ashburnham, 5th Earl of Ashburnham1
- Bury St Edmunds Abbey3
- Cambrai Cathedral1
- Cambron Abbey1
- Caspar René Gregory1
- Charles Carmichael Lacaita2
- Charles Eliot Norton1
- Charles Hoff1
- Charles Singer1
- Chartreuse de Montrieux-le-Vieux1
- Chiaravalle della Colomba Abbey1
- Christiania Kathedralskoles Bibliothek1
- Christie's1
- Coella Lindsay Ricketts8
- Collegium Agennensis societatis Jesu (Agen, France)1