Former Owner
- Hodgson & Co.2
- Homer D. Crotty2
- House of Sforza2
- Imre Hodossy2
- Irene Ludwig2
- Isaac Foot2
- J. & J. Leighton2
- J. P. Gumbert2
- J. Paul Getty Museum2
- James & Mary Lee Tregaskis (Firm)2
- Joaquín Gómez de la Cortina2
- Johan Meerman2
- John Boyd Thacher I2
- John III of Portugal2
- John Roland Abbey2
- John Rolls, 1st Baron Llangattock2
- John Thomas Beer2
- John Topham2
- John Wright2
- Karl F. Morrison2