Former Owner
- Antoni Jerzy Apponyi1
- Antonio Assemani1
- Antonio Dominico Restis1
- Antonio Medin1
- Antonio di Matteo di Giovanni Foresi da Bibbiena1
- Antonius Mensing1
- Arnold Jansen op de Haar1
- Arthur Brölemann1
- Arthur Hood, 1st Baron Hood of Avalon1
- Arthur Liddell, 5th Baron Ravensworth1
- Arthur M. Ellis1
- Austin, Jehan1
- Barbarigo family1
- Barbe de Laon1
- Bartolomeo Amici1
- Bateman family1
- Beatrice de Fouar1
- Beatus Rhenanus1
- Benoît Le Court1
- Bernard Halliday1