Former Owner
- Johann Heinrich van Ess1
- Johannes Wigg1
- Johannes de Helb1
- John D. Stanitz1
- John Dozier Gordan1
- John Fletcher Hurst1
- John Jarsey1
- John Lee1
- Julius de Cardelinis1
- Jāgeśvara1
- Khiste, B.N1
- Kāle, Gālambhaṭṭa1
- Kāle, Janārdana1
- Leonard S. Unger1
- Leonardus Martinotius1
- London School of Jewish Studies1
- Luigi Celotti1
- Madyājñika Devakṛṣṇa1
- Malachia Ormanian1
- Manūchihr Nukhastīn Āṣaf Qājār1