Former Owner
- Henry Ellis Allen2
- Henry George Bohn2
- Henry Pelham-Clinton, 4th Duke of Newcastle2
- Henry White2
- Hermann Suchier2
- Hucks Gibbs, 1st Baron Aldenham2
- Imre De Vegh2
- James C. Byrne2
- Johan Meerman2
- John B. Stetson Jr.2
- John Eliot Hodgkin2
- John Ruskin2
- Joseph-Félix Allard2
- Justin MacCarthy Reagh2
- Kenneth J. "Bud" Jennings2
- Leonardo Lapiccirella2
- Leonello d'Este, Marquis of Ferrara2
- Louis César de La Baume Le Blanc2
- Louis de Gruuthuse2
- Luigi Celotti2