Former Owner
- Archibald Cary Coolidge1
- Archibald Primrose, 5th Earl of Rosebery1
- Art ancien S.A.1
- Assemani family1
- Athelstan Riley1
- August Merz1
- Augustus Pugin1
- B.S. Cron1
- Baldassarre Boncompagni1
- Basilica of Sant'Ambrogio1
- Bernard Quaritch Ltd1
- Bertram Ashburnham, 4th Earl of Ashburnham1
- Biblioteca Bottigella1
- Biblioteca Trivulziana1
- Bill McGrath1
- Bill Ward1
- Birgittinessenklooster Mariënwater1
- Bonhams & Butterfield1
- Bridgewater Library1
- Bristol Baptist College1