Former Owner
- Bhauruji, Pandit1
- Bhaṭṭaśivākānta Lakṣmīkānta1
- Bhaṭṭaṃbhaṭṭa1
- Bhālacandra Gaṇeśa1
- Bibliotheca Philosophica Hermetica1
- Binyamin ben Salem Elark1
- Boies Penrose II1
- Bone, Michael1
- Bonvesino, Marco1
- Brahmānaṃdatīrtha1
- Bridget Hunt1
- Bridgewater Library1
- Brinton, Daniel G. 1837-18991
- Bristol Baptist College1
- Budapest University of Jewish Studies1
- Burg Kreuzenstein1
- Burndy Library1
- Bākīr ibn Muṣṭafá Fūṭī1
- Bālambhaṭṭamuni1
- Bāpaṭa Kṛṣṇabhaṭa1