Former Owner
- James Lyell1
- Jo. Otho1
- Johann Egolph1
- Johannes zu Reitheim1
- John Frederick Lewis2
- John Henry Nash1
- Joseph Anton Koch1
- Joseph Ernst Koch-Sternfeld1
- Joseph Franz Gross1
- Kartause Erfurt1
- Katharinenkirche, Nuremberg2
- Konrad von Maurer2
- Leopold Gruber1
- Liechtenstein State Library1
- Maggs Bros Ltd2
- Mark Augspürger1
- Markus Fugger1
- Matthew Simpson Parkhurst1
- Maximilian Henry of Bavaria1
- Michaeliskonvent1