- Batista de Lanuza y Tafalla, Miguel, -1659. Vida de la venerable madre Feliciana de San Ioseph1
- Battle of Covadonga (Covadonga, Spain : 718)1
- Beards1
- Bello family1
- Benefices, Ecclesiastical1
- Bible. Old Testament1
- Blaeu, Willem Janszoon, 1571-1638. Teatrum orbis terrarum1
- Bookbinding1
- Booksellers and bookselling1
- Bucolica (Virgil)1
- Burlesques1
- Cabala1
- Calf bindings1
- Callistus II, Pope, -11241
- Cardinals1
- Cardona, Catalina de, 1519-15771
- Caro, Ana1
- Carrillo family1
- Carrillo, Pedro, -approximately 1436--Family1
- Castile (Kingdom). Cortes1