Former Owner
- Abbey of Santa Giustina2
- Alexander Hamilton, 10th Duke of Hamilton2
- Alfred Higgins2
- Alfred John Horwood2
- Alice Millard2
- Ampleforth Abbey2
- Anderson Galleries2
- André Rooryck2
- Anthony Askew2
- Arenburg2
- Arthur Vershbow2
- Ball Collection2
- Bateman family2
- Benedetto Affaticati2
- Bernardo Bembo2
- Bertram Dobell2
- Boies Penrose II2
- Burndy Library2
- Carlo Archinto, 2nd Marquess of Parona, 3rd Count of Trainate2
- Carlo Morbio2