- Allegories1
- Anaya, Pedro1
- Annals and chronicles1
- Anthologies1
- Anthony, of Padua, Saint, 1195-12311
- Apostasy--Catholic Church1
- Aragon (Spain). Cortes1
- Architecture1
- Architecture, Roman1
- Argonauts (Greek mythology)1
- Augustine, of Hippo, Saint, 354-4301
- Augustinians1
- Austria1
- Bacán, Hernando de1
- Batista de Lanuza y Tafalla, Miguel, -1659. Vida de la venerable Madre Geronima de San Estevan1
- Batista de Lanuza y Tafalla, Miguel, -1659. Vida de la venerable madre Feliciana de San Ioseph1
- Battle of Covadonga (Covadonga, Spain : 718)1
- Beards1
- Benefices, Ecclesiastical1
- Bible. Old Testament1