Former Owner
- Henry Harvey Frost1
- Henry Janeway Hardenbergh1
- Henry Maxwell, 7th Baron Farnham1
- Henry Perkins1
- Henry Thomas Wake1
- Herbert B. Nichols1
- Herbert Watney1
- Hispanic Society of America1
- House of Neville1
- Hubert Palmer Greville1
- Hudson Gurney1
- Hugo Philipp Waldbott-Bassenheim1
- Hugo von Walderdorff1
- Huysburg1
- Ibrāhīm al-Shakūrī1
- Institut für Orientalistik (Universität Wien)1
- J. E. Schulte1
- J. Meade Falkner1
- Jacopo Ripanda1
- Jacques Auguste de Thou1