Former Owner
- Jérôme Pichon1
- Jān Sipār Khān ibn Rustamdilkhān1
- Kaikhusroo Minocher Jamaspasa1
- Karbalāʼī Muḥammad Ḥusayn Qāsimʹābādī1
- Khouri, Elias Alexander1
- King Lawrence Parker1
- Kloster Rebdorf1
- L. Paganthus1
- Lambach Abbey1
- Lancino Curti1
- Lathrop Colgate Harper1
- Laurence William Hodson1
- Lawrence J. Schoenberg59
- Leicester Harmsworth2
- Leo Olschki3
- Leopold Gruber1
- Levi, David, active 19th century1
- Lionardo di Paolo Adimari1
- Lionel Tollemache, 4th Earl of Dysart1
- London School of Jewish Studies3