- Andrew, Apostle, Saint1
- Andria (Terence)1
- Andronicus II Palaeologus, Emperor of the East, 1260-13321
- Angelio family1
- Angels1
- Angulo family1
- Angulo, Alonso de1
- Angèli, Pietro, 1517-15961
- Animal culture3
- Animals1
- Animals--Religious aspects--Islam2
- Anjou, François, duc d', 1554-15841
- Annals and chronicles2
- Anne (Mother of the Virgin Mary), Saint1
- Annibale, di Capua, approximately 1544-15951
- Annotations9
- Annotations (Provenance)1
- Annunciation to the Blessed Virgin Mary1
- Anti-Catholicism1
- Anti-clericalism1