Former Owner
- Imam Shamil9
- Institut für Orientalistik (Universität Wien)1
- Ismāʻīl ibn Pīr Muḥammad Sarūrī1
- Ismāʻīl ibn al-Ḥājj ʻĪsá Jurayj al-Muhannā1
- James Bassett2
- Janet Cartwright1
- Jean E. Austin1
- Jean P. McClenahan2
- Jean de Carvalho Martins Ferrão de Castelo Branco1
- Jezzar Pasha3
- Johann Heinrich van Ess1
- Johann Michael Schiller1
- John E. Burton1
- John Frederick Lewis54
- Joseph H. Haines1
- Joseph Levitsky1
- Karbalāʼī Muḥammad Ḥusayn Qāsimʹābādī1
- Karl Wilhelm Hiersemann1
- Khammāsh, Aḥmad1
- Khouri, Elias Alexander1