Former Owner
- Joachim, Baron von Windhag1
- John Boykett Jarman1
- John Frederick Lewis33
- John III of Portugal2
- John Walker1
- John Ward, 1st Earl of Dudley1
- Joseph Barrois1
- Joseph Mayner1
- Juan Burgueño1
- Juan de Londono1
- Julian Burgueño1
- Karl Wilhelm Hiersemann8
- Kloster Kuringen1
- Laurent Campagne1
- Legoué1
- Lisa Norris Elkins1
- Louis César de La Baume Le Blanc1
- Lucien Gougy1
- Luis Ordoñez1
- Lutheran Theological Seminary at Philadelphia1