Former Owner
- Johann Heinrich van Ess2
- Johannes Vivianus1
- Johannes Wigg1
- John D. Stanitz3
- John Frederick Lewis13
- John Henry Ellis1
- John Hinsdale Scheide1
- John Jalkyn1
- John Josias Conybeare1
- John Milne Buckie1
- John Reiner1
- John Ruskin3
- John Skerrind1
- John Stanley, 18th Earl of Derby1
- Joseph Barrois3
- Josh Miller1
- Julia Burgess4
- Julius Bisno1
- Jérôme Bignon1
- K. B. Starkie1