Encyclopedias, Almanacs, Transcripts, and Maps
- Adret, Shelomoh ben Avraham
- Aegean Religions
- Aeneid
- Aeration
- Aerobic Sludge Digestion
- Aerobic/Anaerobic Systems
- aerofoil
- Aesir
- Aesthetics: Philosophical Aesthetics
- Aesthetics: Visual Aesthetics
- Affliction: African Cults of Affliction
- Affliction: An Overview
- Afgh?n?, Jam?l Al-D
- African American Religions
- African American Religions: An Overview
- African American Religions: History of Study
- African American Religions: Muslim Movements
- African Burrowing Snakes (Atractaspididae)
- African Mole-Rats (Bathyergidae)
- African mythology