Former Owner
- Albert C. Baugh12
- Charles Sumner12
- Foliophiles12
- Oliver Henry Perkins12
- Wilfrid Voynich12
- Herschel V. Jones11
- Matteo Luigi Canonici11
- Phyllis Walter Goodhart Gordan11
- Adolph Sutro10
- Ambroise Firmin Didot10
- Frederick North, 5th Earl of Guilford10
- Henry Charles Lea10
- Henry Drury10
- James Lyell10
- John D. Stanitz10
- John Dozier Gordan10
- Mary W. T. Dickinson10
- Paul Riant10
- William Augustus White10
- Charles Eliot Norton9