Former Owner
- Henry Percy, 9th Earl of Northumberland1
- Henry Wyndham, 2nd Baron Leconfield1
- Herman Blum1
- Hermann Marx1
- Hieronymus Wilhelm Ebner von Eschenbach1
- Hugh Roberts1
- Ibrāhīm al-Shakūrī1
- Institut für Orientalistik (Universität Wien)1
- Irvine Masson1
- Ismāʻīl ibn al-Ḥājj ʻĪsá Jurayj al-Muhannā1
- J. A. Shanley1
- J.J. Middleton1
- Jacob Riegel1
- Jacob Winsor1
- Jacques Annibal Claret de La Tourrette1
- James Henthorn Todd1
- James Laurie1
- Jan Six VII1
- Jayarāmācārya1
- Jean Felix Dénie1