Former Owner
- Amelia Daubeney1
- Antonio Assemani1
- Antonio Cánovas del Castillo1
- Antonio Laserna1
- Antonio de Bonius1
- August Merz1
- Basilios Bessarion1
- Bernard M. Rosenthal1
- Bertram Ashburnham, 4th Earl of Ashburnham1
- Bhaṭṭaṃbhaṭṭa1
- Budapest University of Jewish Studies1
- Burg Kreuzenstein1
- Buxheim Charterhouse1
- Caesareum Societatis Jesu Collegium Viennense1
- Carleton Rubira Richmond1
- Carlos José Gutiérrez de los Ríos y Rohan Chabot Fernán-Núñez1
- Cecil Deedes1
- Charles Alexander de Cosson1
- Charles Hurleston1
- Charles Seymour, 6th Duke of Somerset1