Encyclopedias, Almanacs, Transcripts, and Maps
- Aubert, George (ca. 1920)
- Aubourg, Michel (1921-)
- August Adolph Eduard Kundt
- August Ferdinand Möbius
- August Friedrich Leopold Weismann
- August Leopold Crelle
- August Order of Light
- August Spirits, Shelf of the
- August von Wassermann
- August Weismann
- Augusta Ada Byron, Countess of Lovelace
- Auguste Antoine Piccard
- Auguste Marie Louis Nicholas Lumière & Louis Jean Lumière
- Auguste Piccard and Paul Kipfer Are the First to Enter the Stratosphere
- Augustin Pyramus de Candolle
- Augustin-Louis Cauchy
- Augustus Caesar
- Augustus De Morgan
- Auks, Puffins, and Murres: Alcidae
- AUM (or OM)