- Annotations32
- Annotations (Provenance)1
- Annunciation to the Blessed Virgin Mary1
- Antella, Francesco dell'1
- Antenuptial contracts (Jewish law)9
- Anthony, of Egypt, Saint, approximately 250-355 or 3561
- Anthony, of Padua, Saint, 1195-12311
- Anthony, of Padua, Saint, 1195-1231--Prayers and devotions1
- Anthropomorphic letters4
- Anti-Catholicism1
- Anti-clericalism1
- Antichrist2
- Antichrist--Islam1
- Anticlaudianus (Alanus, de Insulis)1
- Antidotes2
- Antiphonaries32
- Antiphonaries (Service books)33
- Antiphons (Music)3
- Antiquities5
- Antoni, Jacopo1