Former Owner
- Gilberte le Gualès de Mézaubran1
- Gilhofer & Ranschburg. Lucerne, Suisse2
- Giovanni Saibanti1
- Giovanni de Marco1
- Gladys Freeman1
- Godefroy Honore1
- Guglielmo Libri Carucci dalla Sommaja1
- H. P. Kraus (firm)3
- Harold Baillie Weaver1
- Heinrich Eisemann1
- Hellmut Albert Feisenberger1
- Hendrik Herp1
- Henry Harvey Frost1
- Henry Lewis Broomall1
- Henry Newham Davis1
- Henry Pelham-Clinton, 4th Duke of Newcastle1
- Henry Pelham-Clinton, 7th Duke of Newcastle1
- Henry Spelman1
- Henry Yates Thompson2
- Henry Young and Sons1