Former Owner
- Johannes Vivianus1
- Johannes Wigg1
- John D. Stanitz1
- John Henry Ellis1
- John Hinsdale Scheide1
- John Jalkyn1
- John Josias Conybeare1
- John Milne Buckie1
- John Reiner1
- John Skerrind1
- John Stanley, 18th Earl of Derby1
- Joseph Barrois1
- Josh Miller1
- Jérôme Bignon1
- K. B. Starkie1
- Katherine Petersen1
- Katherine Somerset Wyttenbach Fenwick1
- Lathrop C. Harper, Inc.1
- Lathrop Colgate Harper1
- Laurence Vaux1