Former Owner
- Georg Kloss1
- George G. Napier1
- Gerard Meerman1
- Giuseppe Martini1
- Harry Luke1
- Imam Shamil1
- Jean Joseph Sosthène de LaRoche Lacarelle1
- Joannes Salzperg1
- John Boykett Jarman1
- John D. Stanitz1
- John Henry Ellis1
- John Hinsdale Scheide1
- John Roland Abbey1
- John Towneley1
- John Ward, 1st Earl of Dudley1
- Joost Ritman1
- José Fernando Ramírez1
- Juan Burgueño1
- Juan de Gayferos de Eguiraum1
- Judith Lady Montefiore College1