Former Owner
- Giacomo Manzoni1
- Giovanni Battista Niccolini1
- Giovanni Colonna1
- Giovanni Pietro Visconti1
- Giuseppe Antonelli1
- Grigorij Sergeevič Stroganov1
- Henry Ellis Allen1
- Henry William Poor1
- John Rushout, 2nd Baron Northwick1
- John Ruskin1
- Lathrop C. Harper, Inc.1
- Leo S. Olschki Editore1
- Lodi Cathedral1
- Luigi Celotti1
- Michael Tomkinson1
- Michel Ferdinand d'Albert d'Ailly1
- Oliver R. Barrett1
- Otto Ege1
- Payne and Foss1
- Preston A. Perry1