Former Owner
- I. B. Richards1
- I. C.1
- I. I. Middleton1
- I. I. Zur-Mühlen1
- Ibrahim Sultan1
- Ibrāhīm al-Shakūrī1
- Ibrāhīmʹzādah Ismāʻīl Z̲ihnī1
- Ida M. Havens2
- Ignatius Molitor1
- Ilyās ibn Yūsuf Nāʻimat1
- Imam Shamil4
- Imre De Vegh11
- Imre Hodossy2
- Institut für Orientalistik (Universität Wien)1
- Ioannis Gennadios1
- Ioannēs Grēgoropoulos1
- Iodocus Grebel1
- Irene Ludwig4
- Irvine Masson1
- Isaac Foot5