Former Owner
- André Rooryck1
- Anne Claude Philippe, Comte de Caylus1
- Anthelme-Michel-Laurent de Migieu, marquis de Savigny1
- 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
- Brinton, Daniel G. 1837-18991
- Bristol Baptist College1
- Byron Reed1
- Bākīr ibn Muṣṭafá Fūṭī1