Former Owner
- Ibrahim Sultan1
- Ibrāhīm al-Shakūrī1
- Ibrāhīmʹzādah Ismāʻīl Z̲ihnī1
- Ignatius Molitor1
- Ilyās ibn Yūsuf Nāʻimat1
- Initials, P. S., on Illustration 1 and on p. 1. Note on Flyleaf: Gift of Tho Addi Sammet M.D. in 1906.1
- Institut für Orientalistik (Universität Wien)1
- Ioannes Morezenos1
- Ioannis Gennadios1
- Ioannēs Grēgoropoulos1
- Iodocus Grebel1
- Irvine Masson1
- Isaac Hollister Hall1
- Isaac ha-Rofe ben Moses ibn Elezar1
- Isabel d'Oyembrugge de Duras1
- Isabel de Bellusseau1
- Isabella d'Este1
- Isabelle de Lévis1
- Ismāʻīl ibn Pīr Muḥammad Sarūrī1
- Ismāʻīl ibn al-Ḥājj ʻĪsá Jurayj al-Muhannā1