Former Owner
- Garegnano Charterhouse1
- George Arthur Plimpton1
- George C. Thomas1
- George Folliott1
- George Leveson-Gower, 1st Duke of Sutherland1
- George Livermore1
- Giuliano Attilio Piovano1
- Giuseppe Bruschetti1
- Guglielmo Libri Carucci dalla Sommaja2
- H. P. Kraus (firm)2
- Harry Creswick2
- Helge Frank2
- Henri Lambert1
- Henry Gee Barnard1
- Henry John Peachey, 3rd Baron Selsey1
- Henry Yates Thompson1
- Irvine Masson1
- J. C. Hanks1
- J. de Charron de Liancourt1
- J.B. Cartier1