Former Owner
- Hagop Kevorkian Fund1
- Harrison Wright1
- Harry C. Koenig1
- Helge Frank1
- Henry Charles Lea1
- Henry Drury1
- Henry Harvey Frost1
- Henry Maxwell, 7th Baron Farnham1
- Henry Thomas Wake1
- Herbert Watney1
- Hermann Suchier1
- Hispanic Society of America1
- House of Neville1
- Hubert Palmer Greville1
- Hugo Philipp Waldbott-Bassenheim1
- Hugo von Walderdorff1
- Huysburg1
- Ibrāhīm al-Shakūrī1
- Imre De Vegh1
- Institut für Orientalistik (Universität Wien)1