Former Owner
- Gilberte le Gualès de Mézaubran1
- Giuseppe Bruschetti1
- Giuseppe Franchini1
- Giuseppe Martini2
- Great St. Martin Church1
- Grolier Club1
- Gudrun Wandel2
- Guglielmo Libri Carucci dalla Sommaja3
- Guillaume Budé1
- Guillemette Bezard1
- Gérard de Vaucouleurs1
- H. Charles Barnston1
- H. P. Kraus (firm)1
- H. Richard Archer1
- Hamilton Cole1
- Harold Baillie Weaver1
- Harrison Horblit1
- Harrison Wright1
- Harry C. Koenig2
- Harry Creswick2