Former Owner
- Ashton Lever1
- Ashton Rollins Sanborn1
- Assemani family1
- Athelstan Riley1
- Audry Wilkens1
- Austin, Jehan1
- B. Goussil1
- B.C. Barker-Benfield1
- B.L. Riese1
- B.S. Cron1
- Barbara Hackenmayrin1
- Barbarigo family1
- Barbe de Laon1
- Baron Llangattock1
- Baron Paul Adolphe Dieudonné Thiébault1
- Bartholdus and Johann Flachmann1
- Bartholus Blancellus1
- Bartolomeo Amici1
- Bartolomeo di Larione Martelli1
- Basilica of Santa Maria Novella1