Former Owner
- Francesco Taccone11
- George Dunn11
- Giuseppe Martini11
- Robert Hoe III11
- Walter Sneyd11
- Foliophiles10
- Henry Charles Lea10
- Maggs Bros Ltd10
- Albert C. Baugh9
- James Lyell9
- Johann Heinrich van Ess9
- Coella Lindsay Ricketts8
- Guglielmo Libri Carucci dalla Sommaja8
- Richard Heber8
- Louis H. Silver7
- Thomas FitzRoy Phillipps Fenwick7
- Alexander Isaac Cotheal6
- Buxheim Charterhouse6
- Edmund Waterton6
- H. P. Kraus (firm)6