Encyclopedias, Almanacs, Transcripts, and Maps
- Apamea
- Apamea
- Aparicio, Sebastián de, Bl.
- Apel, Willi
- Apeloig, Yitzhak
- Aper of Toul, St.
- Aphek
- Aphraates
- Apikoros
- Apion°
- Apocalypse, Iconography of
- Apocalyptic Movements
- Apocatastasis
- Apocrisiarius
- Apocrypha and Pseudepigrapha
- Apocrypha, Iconography of the
- Apollinaris of Hierapolis, St.
- Apollinaris of Laodicea, The Younger
- Apollinaris of Monte Cassino, St.
- Apollinaris of Valence, St.