Former Owner
- Albizzi1
- Alfred C. Chapin1
- Alfred Seymour1
- Alvise Bochini1
- Andrea S.1
- Andrea Tessier1
- Antonio Saverio Gentili1
- Antonio Ubaldini1
- Appiano family1
- Arno M. Voynich1
- Bernard Quaritch Ltd1
- Bernard Rosenthal1
- Bertram Ashburnham, 4th Earl of Ashburnham1
- Biblioteca Bottigella1
- Biblioteca Trivulziana1
- Bibliotheca Philosophica Hermetica1
- Breslauer and Meyer1
- Byron Reed1
- Carleton Rubira Richmond1
- Carlo Longland1