Former Owner
- Antoine-Augustin Renouard1
- Antonio Laserna1
- Antonio Ubaldini1
- Arenburg1
- Athelstan Riley1
- August Merz1
- Augustus Pugin1
- Avraham Yedidiah Levi1
- Baldassarre Boncompagni1
- Benetto Spinelli1
- Biblioteca Bottigella1
- Biblioteca Trivulziana1
- Breslauer and Meyer1
- Bristol Baptist College1
- Byron Reed1
- Būtū ʻAbd al-Bāqī1
- Carl Reinhardt1
- Carlos José Gutiérrez de los Ríos y Rohan Chabot Fernán-Núñez1
- Charles Coffin Little1
- Charles Eliot Norton1