Encyclopedias, Almanacs, Transcripts, and Maps
- Arroyo, Gloria Macapagal
- Arru Islands
- Arsaces
- Arsacids
- art moderne
- art song
- Artagnan, Charles de Batz-Castelmore d'
- Artaphernes
- Artaxerxes III
- Artemidorus of Ephesus
- Artemisium
- Artemovsk
- Artevelde, Jacob van
- Artevelde, Philip van
- Arthur III
- Arthurian legend
- artificial elements
- Artzybasheff, Boris
- Artzybashev, Mikhail Petrovich
- Aruboth