Former Owner
- George Templeton Strong1
- Georgius Ruch1
- Guglielmo Libri Carucci dalla Sommaja1
- H., C1
- Heinrich Neubronner1
- Henricus Lafferde1
- Henricus Mewe1
- Henry Frederick, Prince of Wales1
- Henry Janeway Hardenbergh1
- Henry Willett1
- Henry William Poor1
- Henry Yates Thompson1
- House of Mansfeld1
- Hugo von Walderdorff1
- Huysburg1
- Jacob Suter1
- James Halliwell-Phillipps1
- James K. Moffitt1
- James Tregaskis1
- Jan Six VII1