Former Owner
- Gotha Research Library1
- Harrison Horblit1
- Harrison Wright1
- Henricus Lafferde1
- Henricus Mewe1
- Henry White1
- I. I. Zur-Mühlen1
- Irene Ludwig1
- J. C. Inglis1
- J. E. Schulte1
- Jacob Suter1
- James Elwin Millard1
- James Halliwell-Phillipps1
- James Russell Lowell1
- Jean Jules Olinger1
- Joachim Windhag1
- Joannes Salzperg1
- Johannes Abezier1
- Johannes Wesbach1
- Johannes de Helb1