Former Owner
- Garegnano Charterhouse2
- George Amos Poole2
- George Arthur Plimpton2
- George F. Leighton2
- Giuseppe Bruschetti2
- Guglielmo Libri Carucci dalla Sommaja2
- Harold Baillie Weaver2
- Harrison Horblit2
- Henry Charles Lea2
- Henry Huth2
- Herschel V. Jones2
- James & Mary Lee Tregaskis (Firm)2
- John Eliot Hodgkin2
- John Hinsdale Scheide2
- John Reiner2
- John Ruskin2
- Lane Theological Seminary2
- Lathrop Colgate Harper2
- Laurence William Hodson2
- Luigi Arrigoni2