Former Owner
- Guglielmo Libri Carucci dalla Sommaja3
- Gusztáv Emich1
- H. P. Kraus (firm)1
- Harimiśra1
- Harold Baillie Weaver1
- Harrison Gray Otis1
- Harrison Horblit1
- Harry G. Friedman1
- Harry Luke1
- Heinrich Eisemann1
- Heinrich Neubronner1
- Helen Rose Hull1
- Hellmut Albert Feisenberger1
- Henry Brudenell-Bruce, 5th Marquess of Ailesbury1
- Henry Charles Lea4
- Henry Clark Stewart1
- Henry Drury5
- Henry Huth4
- Henry Janeway Hardenbergh1
- Henry Oppenheimer1