Contributor
- Antoni, Giovanni Antonio degli1
- Antonius <Raudensis>1
- Anweil, Johannes Albert von1
- Anyang1
- Aranda1
- Arenarius, Johannes1
- Aretin, Karl Otmar von1
- Aronsohn, L.1
- Arosa, Achille1
- Arosa, Gustave1
- Arrarnta1
- Arrernte1
- Arrianus, Flavius1
- Athanasius <III., Antiochien, Patriarch>1
- Aurifaber, Johann1
- Aventinus, Johannes1
- Aynard, Édouard1
- Babang1
- Babanki1
- Babudde1