Former Owner
- Howel Wills1
- Howell Wills1
- Hugh Roberts1
- Irvine Masson1
- Israel Gollancz1
- J. & J. Leighton1
- J. A. Shanley1
- J. Palmer1
- Jacqueline du Pré1
- Jacques Rosenthal1
- James F. Drake1
- James Laurie1
- James Stevens-Cox1
- James Turle1
- James Vallentin1
- James West1
- Jean Felix Dénie1
- Jean François de Kerchove, Heer van Etikhove, La Deuze, Champagne, Vaulx1
- Jean II de Croÿ1
- Jean III of Acigné and Cordemai1