Former Owner
- Paolo Vimercati Sozzi2
- Paul Riant2
- Peter Arrell Brown Widener2
- Peter Arrell Brown Widener II2
- Prince Sadruddin Aga Khan2
- Richard Gough2
- Rudolph Frederick Kelker2
- Samuel Claggett Chew2
- Samuel Whitaker Pennypacker2
- Solomon Hirschell2
- Walter Paul Havens2
- Wilfrid Voynich2
- Abbé [Dourout]1
- Achille Genty1
- Ada E. Moorhead Thomas1
- Adam Weinberger Rare Books1
- Adelrich Benziger1
- Agnes Browne1
- Agnes Mongan1
- Aldonza de Castilla1