Former Owner
- Henry Drury10
- Henry Yates Thompson10
- Paul Riant10
- Phyllis Walter Goodhart Gordan10
- Richard Heber10
- Charles Eliot Norton9
- E. Dwight Church9
- John D. Stanitz9
- John Dozier Gordan9
- Karl Wilhelm Hiersemann9
- Leo S. Olschki Editore9
- William Augustus White9
- William Young Ottley9
- Henry William Poor8
- Homer Lewis Bartlett8
- James Tregaskis8
- Jerónimos Monastery8
- Joseph E. Widener8
- Mary W. T. Dickinson8
- Abbey of Morimondo7