Encyclopedias, Almanacs, Transcripts, and Maps
- Aurelian of Réomé
- Aurelius and Sabigotona, Ss.
- Aurelius of Armenia, St.
- Aureole (Nimbus)
- Aurich
- Aurillac, Abbey of
- Aurora Iam Spargit Polum
- Aurora Lucis Rutilat
- Aurum Coronarium
- Auschwitz Bombing Controversy
- Auschwitz Convent
- Auschwitz Trials
- Ausculta Fili
- Auslaender, Nahum
- Auslaender, Rose
- Auslander, Joseph
- Auspitz
- Auster, Daniel
- Australia, The Catholic Church in
- Austreberta, St.