Former Owner
- Joseph Barrois18
- Julia Burgess18
- Phillip J. Pirages Fine Books & Manuscripts18
- Lewis L. Gould17
- Bernard M. Rosenthal15
- Matteo Luigi Canonici15
- Richard Heber15
- Bernard Quaritch Ltd13
- Francesco Taccone13
- George Dunn13
- Paul Riant12
- Adolph Sutro11
- Alfred C. Chapin11
- Charles Sumner11
- David Bee11
- Giuseppe Martini11
- Guglielmo Libri Carucci dalla Sommaja11
- Henry Drury11
- Johann Heinrich van Ess11
- Howard Lehman Goodhart10