Verfasser
- Achenbach, Heinrich
- Aegidi, Ludwig Karl
- Albert, Hermann
- Aldefeld, Carl L. W.
- Alexi, S
- Allendorf, Hugo
- Altmann, Alois
- Ammann, August
- Andree, Richard
- Anton, Günther K.
- Apelt, Kurt
- Araskhaniantz, Awetis
- Arnold, Rudolf
- Arnold, Wilhelm
- Aschrott, Paul Felix
- Asemissen, Oskar
- Asher, Carl Wilhelm
- Baasch, Ernst
- Baedeker, Diedrich
- Balck, Carl Wilhelm August