Former Owner
- John Bohn1
- John Butlar1
- John C. Jackson1
- John Camp Williams1
- John Church1
- John E. Burton1
- John Hinely1
- John Sotheby1
- John Thomas Beer1
- Julius de Cardelinis1
- Jérôme Pichon1
- Jān Sipār Khān ibn Rustamdilkhān1
- Karbalāʼī Muḥammad Ḥusayn Qāsimʹābādī1
- Khouri, Elias Alexander1
- Kloster Rebdorf1
- L. Paganthus1
- Lambach Abbey1
- Lancino Curti1
- Laurence William Hodson1
- Leopold Gruber1