Former Owner
- Howel Wills1
- Howell Wills1
- Hubert Palmer Greville1
- Hudson Gurney1
- Hugh Roberts1
- Hugo von Walderdorff1
- Huysburg1
- I. I. Middleton1
- Ibrāhīm al-Shakūrī1
- Ibrāhīmʹzādah Ismāʻīl Z̲ihnī1
- Ignatius Molitor1
- Institut für Orientalistik (Universität Wien)1
- Ioannēs Grēgoropoulos1
- Irvine Masson1
- Isabel de Bellusseau1
- Isabella d'Este1
- Isabelle de Lévis1
- Ismāʻīl ibn Pīr Muḥammad Sarūrī1
- Israel Gollancz1
- J. A. Dortmond1