Former Owner
- Henricus Mewe1
- Henry White1
- I. I. Zur-Mühlen1
- Ignatius Molitor1
- J. E. Schulte1
- Jacob Suter1
- James Elwin Millard1
- James Halliwell-Phillipps1
- James Lyell1
- James Russell Lowell1
- Jean Jules Olinger1
- Joachim, Baron von Windhag1
- Joannes Salzperg1
- Johann Egolph1
- Johannes Abezier1
- Johannes Wesbach1
- Johannes de Helb1
- Johem Spiess1
- John A. Murphy1
- John Fletcher Hurst1