Encyclopedias, Almanacs, Transcripts, and Maps
- Aubusson, Pierre d'
- Auchmuty, Sir Samuel
- Auckland Islands
- auction bridge
- Aude
- Audenarde
- audiencia
- audio frequency
- audiovisual education
- Auenbrugger, Leopold
- Auerbach, Berthold
- Auerbach, Erich
- Auerstedt
- Augereau, Pierre François Charles
- Augsburg Interim
- Augur, Hezekiah
- Augusta (city, Italy)
- Augustenburg, Christian Augustus, Herzog von
- Aukrust, Olav
- Aulard, Alphonse