Former Owner
- Angela Burdett-Coutts, 1st Baroness Burdett-Coutts1
- Angèle Louise Maggi Spaulding1
- Anna Maria Louisa Peachey1
- Anna Vremans1
- Anne of Brittany1
- Antoine Lagnier1
- Antonio Marino de Caboga1
- Arno M. Voynich1
- Artemesia Piccolomini1
- Arthur Griffith1
- Barbara Hackenmayrin1
- Bartholdus and Johann Flachmann1
- Benedetto Pistrucci1
- Benignus of Dijon1
- Benjamin Ashworth1
- Bernard Quaritch Ltd1
- Bernardus de Pedio1
- Bertram Dobell1
- Birch & Son1
- Blenheim Palace1