Former Owner
- Harry Levinson1
- Henry Harvey Frost1
- Henry White1
- House of Sforza1
- Howard Lehman Goodhart1
- Ida M. Havens1
- J. Palmer1
- Jerónimos Monastery5
- Johan C. Jackson1
- Johannes Patou1
- John Browne1
- John Frederick Lewis21
- John III of Portugal1
- John Morgan1
- John Topham1
- Joseph E. Widener1
- Karl Wilhelm Hiersemann5
- Lady Margaret Ayloffe1
- Louis Bourguet1
- Luigi Cora1