Former Owner
- Joannes Hainricus Ebron zu Wildenberg1
- Joannes Salzperg1
- Johann Heinrich van Ess1
- Johannes Wigg1
- John C. Jackson1
- John Harvey Treat1
- John Roland Abbey1
- John Ruskin1
- Joseph François René de Kergariou1
- Joseph Pope1
- Julie Florence de Cossette1
- Klaus Dieter Dahmen1
- Kloster Bredelar1
- Lambach Abbey1
- Laurence Kirby1
- Laurentius van der Torqel1
- Louis H. Silver1
- Lucien Graux1
- Luigi Serra di Cassano1
- Lyon Cathedral1