Former Owner
- Henry William Poor1
- Henry Yates Thompson1
- Herbert Reichner1
- Hercule de Rohan, Duke of Montbazon1
- Herschel V. Jones1
- Hugo von Walderdorff1
- Jacquemine Hendricx1
- Jacques Rosenthal1
- James & Mary Lee Tregaskis (Firm)1
- James Rimell & Son1
- James Tregaskis8
- Johann Heinrich van Ess2
- John Boykett Jarman1
- John Hope, 1st Marquess of Linlithgow1
- John Hunt1
- John Rushout, 2nd Baron Northwick1
- John Ruskin2
- John Stanley, 18th Earl of Derby1
- John William Bradley1
- Joseph Baer & Co.1