Encyclopedias, Almanacs, Transcripts, and Maps
- Aredius, St.
- Aréga, Léon
- Areios (Areus) I°
- Arenda
- Arendt, Otto
- Arens, Moshe
- Aretas°
- Arethas, Archbishop of Caesarea
- Arévalo, Rodrigo Sánchez de
- Arezzo
- Argens, Jean Baptiste de Boyer°
- Argenteuil, Abbey of
- Argentina, The Catholic Church in
- Argentré, Charles du Plessis d'
- Argimir, St.
- Argob
- Argov (Urkavi), Zohar
- Argov, Alexander
- Argyropoulos, John
- Argyros, Isaac