Former Owner
- T. Fownes6
- Thomas FitzRoy Phillipps Fenwick6
- Alfred Henry Huth5
- Charles William Dyson Perrins5
- Giuseppe Martini5
- Harrison Horblit5
- Katherine Somerset Wyttenbach Fenwick5
- Richard Heber5
- Charles Sumner4
- Guglielmo Libri Carucci dalla Sommaja4
- Henry Drury4
- Henry Yates Thompson4
- James K. Moffitt4
- James Lyell4
- Johann Heinrich van Ess4
- Paul Riant4
- Robert Davies4
- Abbey of Morimondo3
- Admont Abbey Library3
- Alfred C. Chapin3