Former Owner
- Jacob Suter1
- James Halliwell-Phillipps1
- Jan Six VII1
- Joachim Guerrinus de Montefegatesio1
- Joannes Hainricus Ebron zu Wildenberg1
- Johannes Wigg1
- John D. Stanitz1
- John Savile1
- John Singer Sargent1
- Joseph Anton Koch1
- Joseph L. Lilly1
- Joseph Pope1
- Julia Burgess1
- Lawrence J. Schoenberg1
- London School of Jewish Studies1
- Louis H. Silver1
- Ludwig Rosenthal's Antiquariaat1
- Luigi Celotti1
- Margaret Barclay Wilson1
- Marienstiftsgymnasium1