Encyclopedias, Almanacs, Transcripts, and Maps
- Anomalous Thoughts (Newsletter)
- Anomaly Research Bulletin
- Anonymous Adept
- Anoplans and Enoplans: Nemertea
- Anpiel
- Anpsi
- Anscombe, G. E. M.
- Anselm de Parma (d. 1440)
- Anselme Payen
- Anselmus Boetius de Boodt
- Ansuperomin
- Answerer (or Fragarach)
- Ant Thrushes: Formicariidae
- Ant-pipits
- Ant-Pipits
- Antão Gonçalves
- Antbirds and gnat-eaters
- Antbirds and Gnat-Eaters
- Anteaters
- Anteaters