Encyclopedias, Almanacs, Transcripts, and Maps
- Archerd, Army
- Archiereus
- Archipherecites
- Archisynagogos
- Architecture and Architects
- Archives, Ecclesiastical
- Archives, U.S. Catholic
- Archivolti, Samuel
- Archon
- Archpresbyter, Presbyter of the Jews
- Archpriest
- Archpriest Controversy
- Arcila
- Arcimboldi, Giovannangelo
- Arco, Georg Wilhelm Alexander Hans, Graf Von
- Arcosolium
- Arcoverde de Albuquerque Cavalcanti, Joaquim
- Ardashir
- Ardavan°
- Ardbraccan, Abbey of