Former Owner
- Avraham Yedidiah Levi1
- Avraham ben Yahya1
- Avraham ben ʻAlon1
- Avraham Ḥai Morpurgo1
- Aḥmad al-Mudarris1
- Aḥmad ibn Mubārak Luṭf Allāh1
- Aḥmad ibn Muṣṭafá1
- B. Goussil1
- B.C. Barker-Benfield1
- B.L. Riese1
- B.S. Cron1
- Bahman Mirza Qajar1
- Baldasarre Boncompagni1
- Baldassarre Boncompagni8
- Ball Collection2
- Baptist Union Theological Seminary2
- Barbara Hackenmayrin1
- Barbarigo family1
- Barbe de Laon1
- Baron Llangattock1