Former Owner
- Phyllis Walter Goodhart Gordan11
- William Augustus White11
- John Dozier Gordan10
- Leo S. Olschki Editore10
- Luigi Celotti10
- Mary W. T. Dickinson10
- E. Dwight Church9
- Karl Wilhelm Hiersemann9
- Thomas FitzRoy Phillipps Fenwick9
- William Young Ottley9
- Henry William Poor8
- Hermann Suchier8
- Homer Lewis Bartlett8
- James Tregaskis8
- Jerónimos Monastery8
- Joseph E. Widener8
- Katherine Somerset Wyttenbach Fenwick8
- Mahārāja Aditya Bahadur Dinha8
- Prince Augustus Frederick, Duke of Sussex8
- Abbey of Morimondo7