Former Owner
- Arthur Kay1
- Arthur Lee Loeb1
- Arthur Liddell, 5th Baron Ravensworth1
- Arthur M. Ellis1
- Arthur M. Elliz1
- Arthur Thomas Bannister1
- Ashton Rollins Sanborn1
- Athelstan Riley1
- Audry Wilkens1
- Augustus Pugin1
- B. Goussil1
- B.C. Barker-Benfield1
- B.L. Riese1
- B.S. Cron1
- Baldasarre Boncompagni1
- Baptist Union Theological Seminary1
- Barbara Hackenmayrin1
- Barbarigo family1
- Barbe de Laon1
- Baron Llangattock1