Encyclopedias, Almanacs, Transcripts, and Maps
- Arreola, Juan José (1918–2001)
- Arriaga, Ponciano (1811–1863)
- Arriero
- Arrieta, José Agustín (1803–1874)
- Arrieta, Pedro de (1691–1738)
- Arriví, Francisco (1915–)
- Arron, Henck A. E. (1936–2000)
- Arroyo Asencio
- Arroyo del Río, Carlos Alberto (1893–1969)
- Arroyo Grande, Battle of
- Arrufat, Antón (1935–)
- Arslan Family
- Art in Britain
- Art in Central Europe
- Art in France
- Art in Germany
- Art in Italy
- Art in Spain and Portugal
- Art in the Netherlands
- Art Music