Former Owner
- Giovanni Alessandro Brambilla1
- Giuseppe Martini5
- Guglielmo Libri Carucci dalla Sommaja1
- Gundulf1
- Hans P. Kraus1
- Harry G. Friedman2
- Hastings family1
- Helen Rose Hull3
- Helene de Montmorency1
- Henri Bordes1
- Henri de Cossette1
- Henry Drury4
- Henry Frederick, Prince of Wales1
- Henry Huth15
- Henry Spelman1
- Henry Stevens2
- Henry White2
- Henry William Poor5
- Henry Yates Thompson3
- Herbert B. Nichols1