Former Owner
- John Skerrind1
- John Swyntoun1
- Joseph Anton Koch1
- Joseph H. Haines1
- Joseph-Félix Allard1
- Jérôme Bignon1
- Jān Sipār Khān ibn Rustamdilkhān1
- Karbalāʼī Muḥammad Ḥusayn Qāsimʹābādī1
- Karl Wilhelm Hiersemann1
- Kartause Erfurt1
- Kenneth Hyde1
- Khouri, Elias Alexander1
- King Lawrence Parker1
- Kloster Bredelar1
- Kloster Kuringen1
- L. C. Harper1
- Lathrop C. Harper, Inc.1
- Laurence Hilliard1
- Laurence Vaux1
- Leigh Baker1