Former Owner
- Francis Cook, 1st Viscount of Monserrate1
- George Aldridge1
- George B. Ward1
- George Chalmers1
- Giacomo Eugenio De Levis1
- Giulio Saibante1
- Giuseppe Antonio Saccardini1
- Gordon Adamson1
- Guglielmo Libri Carucci dalla Sommaja1
- H. P. Kraus (firm)1
- Harry Levinson1
- Henry Brudenell-Bruce, 5th Marquess of Ailesbury1
- Henry Oppenheimer1
- Henry Pelham-Clinton, 4th Duke of Newcastle1
- Henry Pelham-Clinton, 7th Duke of Newcastle1
- Henry William Poor1
- Herman Blum1
- Herne Charterhouse1
- Homer D. Crotty1
- Howard Lesnick1