Former Owner
- George Herbert Palmer1
- George Venables-Vernon, 5th Baron Vernon1
- Germanus Langen1
- Giacobbe Marcaria1
- Girard Dupeireux1
- Gladbach Abbey1
- Gotha Research Library1
- Harrison Horblit1
- Henricus Lafferde1
- Henricus Mewe1
- Henry White1
- I. I. Zur-Mühlen1
- Ignatius Molitor1
- Irene Ludwig1
- J. C. Inglis1
- J. E. Schulte1
- Jacob Suter1
- James Elwin Millard1
- James Halliwell-Phillipps1
- James Lyell1