Former Owner
- Johannes Abezier1
- John Browne1
- John Eliot Hodgkin1
- John Frederick Lewis44
- John Henry Ellis1
- John Morgan1
- John Topham1
- John West, 1st Earl De La Warr1
- Joseph Barrois2
- Joseph E. Widener2
- Josephine Widener Wichfield1
- Lady Margaret Ayloffe1
- Librairie Tross1
- Lodovicus Saltariellus1
- Luigi Arrigoni1
- Luigi Cora1
- Luis Ordoñez1
- Maggs Bros Ltd2
- Marchese Linterno1
- Mrs. E.J. Hooper1