Former Owner
- Andrea Tessier1
- Antonio Ubaldini1
- Appiano family1
- Baldassarre Boncompagni1
- Bernard Quaritch Ltd1
- Biblioteca Trivulziana1
- Breslauer and Meyer1
- Byron Reed1
- Carleton Rubira Richmond1
- Charles Burr1
- Charles Fairfax Murray1
- Coella Lindsay Ricketts1
- Coluccio Salutati1
- Damiano Muoni1
- Daniele Florio1
- Dorothy Stahl Brady1
- Edward Syddell1
- Edwin H. Fetterolf1
- Ernst Boehlen1
- Eugenio Minutoli-Tegrimi1