Former Owner
- Benetto Spinelli1
- Benignus of Dijon1
- Benjamin Ashworth1
- Bentley Lyonel John Tollemache, 3rd Baron Tollemache1
- Bergendal Collection1
- Bernard Quaritch1
- Bernard Rosenthal1
- Bernardi1
- Bernardo Bembo1
- Bernardo Mendel1
- Bernardus de Pedio1
- Bertram Ashburnham, 5th Earl of Ashburnham1
- Betty Freudenheim1
- Biblioteca Trivulziana1
- Biblioteca civica di Verona1
- Biblioteca del Seminario Arcivescovile1
- Bill Ward1
- Birch & Son1
- Birgittinessenklooster Mariënwater1
- Bodleian Library1