Former Owner
- Gordon A. Block Junior2
- Harry Creswick2
- Henry Charles Lea2
- James Lyell2
- Joseph Barrois2
- Leicester Harmsworth2
- Leo Olschki2
- Piero Ginori Conti2
- Robert Brodhead Honeyman2
- Walter Sneyd2
- William Foyle2
- Adam Clarke1
- Albert M. Patrick1
- Albert M. Todd1
- Amelia Daubeney1
- Antoine Joseph Rérolle1
- Antoine de Court1
- Antonio Assemani1
- Antonio Cánovas del Castillo1
- Antonio de Bonius1