Former Owner
- Jean Theodore Royer1
- Jean de Carvalho Martins Ferrão de Castelo Branco1
- Jeanne Govro1
- Johan Meerman1
- Johannes Baptista Siccus1
- John D. Stanitz1
- John Harvey Treat1
- Jāgeśvara1
- Jān Sipār Khān ibn Rustamdilkhān1
- Karbalāʼī Muḥammad Ḥusayn Qāsimʹābādī1
- Kenneth X. Robbins1
- Khiste, B.N1
- Kāle, Gālambhaṭṭa1
- Kāle, Janārdana1
- Kṛṣṇānanda Āgamavāgīśa Bhaṭṭācārya1
- Leo Olschki1
- Libreria antiquaria Mediolanum1
- Lohanī, Viṣṇudatta1
- Luigi Arrigoni1
- Luigi Cora1