Former Owner
- Baḥrānī, Muḥammad ibn ʻAlī ibn Ḥaydar ibn Ḥasan ibn Ḥaydar1
- Benediktinerinnenabtei St. Walburg1
- Benoît Le Court1
- Bentley Lyonel John Tollemache, 3rd Baron Tollemache1
- Bergendal Collection1
- Bernard M. Rosenthal1
- Boies Penrose II1
- Bonvesino, Marco1
- Brinton, Daniel G. 1837-18991
- Budapest University of Jewish Studies1
- Burg Kreuzenstein1
- Bākīr ibn Muṣṭafá Fūṭī1
- Bīkānera Anūpa Saṃskr̥ta Pustakālaya1
- C. W. S. Dixon1
- Caesareum Societatis Jesu Collegium Viennense1
- Carl Alphons Geigy-Hagenbach1
- Carl Frederick Haussmann1
- Carleton Rubira Richmond1
- Cecil Deedes1
- Charles Alexander de Cosson1