Former Owner
- Mary W. T. Dickinson2
- Matteo Luigi Canonici2
- Messieurs Du Trieu2
- Michel Chasles2
- Michele Cavaleri2
- Otto Ege2
- Paul Riant2
- Peter Arrell Brown Widener2
- Peter Arrell Brown Widener II2
- Philip Kerr, 11th Marquess of Lothian2
- Phillip J. Pirages Fine Books & Manuscripts2
- Robert Forrer2
- Robert Mignan2
- Ross Winans2
- San Sisto, Piacenza2
- Sandbergs Bokhandel2
- Thomas Johnes2
- Thomas de Grey, 2nd Earl de Grey2
- Walter Paul Havens2
- Ward Murphey Canaday2