Former Owner
- Bartolomeo di Larione Martelli1
- Bateman family1
- Battista di Ser Cicco di Fermo1
- Battle Abbey1
- Beatrice de Fouar1
- Beatus Rhenanus1
- Beinecke Rare Book & Manuscript Library1
- Benjamin Franklin Stevens1
- Benoît Le Court1
- Bern Dibner1
- Bernard Halliday1
- Bernard Rosenthal1
- Bernard Serrigny1
- Bernardi1
- Bernardo Mendel1
- Bertram Dobell1
- Bertrand de Chalençon1
- Betty Freudenheim1
- Biblioteka Tulezynska1
- Bibliotheca Beggadorum1