Former Owner
- Phyllis Walter Goodhart Gordan11
- Richard Heber11
- Thomas FitzRoy Phillipps Fenwick11
- Wilfrid Voynich11
- Adolph Sutro10
- Ambroise Firmin Didot10
- Frederick North, 5th Earl of Guilford10
- Herschel V. Jones10
- John Dozier Gordan10
- John Henry Ellis10
- Mary W. T. Dickinson10
- Philip Milburn10
- Bruce P. Ferrini9
- E. Dwight Church9
- Leo S. Olschki Editore9
- William Young Ottley9
- James Lyell8
- Jerónimos Monastery8
- John D. Stanitz8
- Joseph E. Widener8