Encyclopedias, Almanacs, Transcripts, and Maps
- Africanized Bees
- Afro-American River Turtles (Podocnemididae)
- Afro-Brazilian Religions
- Afro-Surinamese Religions
- Afterlife: African Concepts
- Afterlife: An Overview
- Afterlife: Australian Indigenous Concepts
- Afterlife: Chinese Concepts
- Afterlife: Christian Concepts
- Afterlife: Geographies of Death
- Afterlife: Germanic Concepts
- Afterlife: Greek and Roman Concepts
- Afterlife: Islamic Concepts
- Afterlife: Jewish Concepts
- Afterlife: Mesoamerican Concepts
- Afterlife: Oceanic Concepts
- agaric
- Agency for Toxic Substances and Disease Registry
- Ages of the World
- Agglomeration