Former Owner
- Giusto Venier1
- Gladbach Abbey1
- Guglielmo Libri Carucci dalla Sommaja12
- Gundulf1
- H. P. Kraus (firm)2
- Hampton L. Carson2
- Hans Albrecht von Derschau1
- Harold Baillie Weaver2
- Harrison Horblit3
- Harry Creswick2
- Harry Peach1
- Heathcote William Garrod1
- Helmut Beck1
- Henricus Lafferde1
- Henricus Mewe1
- Henry Charles Lea1
- Henry Drury6
- Henry Frederick, Prince of Wales1
- Henry Spelman1
- Henry St George1