- Anecdotes1
- Angulo family1
- Angulo, Alonso de1
- Anne (Mother of the Virgin Mary), Saint2
- Anselm, Saint, Archbishop of Canterbury, 1033-11091
- Anthony, of Padua, Saint, 1195-12311
- Anti-Catholicism1
- Anticlaudianus (Alanus, de Insulis)1
- Antonio Magistri1
- Antonius, de Parma, active 1310-13231
- Apocryphal and legendary literature1
- Apocryphal books1
- Apologetics2
- Arab countries1
- Arabic alphabet--Religious aspects--Islam1
- Arabic language5
- Arabic language--Figures of speech2
- Arabic language--Grammar7
- Arabic language--Lexicography1
- Arabic language--Lexicology1