Former Owner
- Bernard Quaritch1
- Bernardo Bembo1
- Biblioteca Bottigella1
- Biblioteka Tulezynska1
- Bibliotheca Beggadorum1
- Bill Ward1
- Birgittinessenklooster Mariënwater1
- Boies Penrose1
- Bruce Bannerman1
- Bury St Edmunds Abbey1
- C. Bruscoli1
- Cambrai Cathedral1
- Camilla Doria Pallavicini1
- Castelluci1
- Catharine Wisser1
- Catherine de' Medici1
- Charles Butler1
- Charles Chardin1
- Charles Coffin Little1
- Charles Deane1