Former Owner
- Bernard Quaritch Ltd23
- Bernardo Bembo2
- Bernardus de Pedio1
- Bertram Ashburnham, 4th Earl of Ashburnham30
- Bertram Ashburnham, 5th Earl of Ashburnham1
- Bertram Dobell2
- Bertrand de Chalençon1
- Betty Freudenheim1
- Beverly Chew4
- Biblioteca Trivulziana1
- Biblioteca civica di Verona1
- Biblioteca del Seminario Arcivescovile1
- Biblioteka Tulezynska1
- Bibliotheca Beggadorum1
- Bibliotheque Seminaire de Notre Dame de Puy1
- Bill Jackson1
- Bill McGrath3
- Bill Ward1
- Birch & Son1
- Birgittinessenklooster Mariënwater1