Brüning, August
[Contributor];
Elster, Alexander
[Contributor];
Elster, Alexander
[Editor];
Gruhle, Hans W
[Contributor];
Hallermann, Wilhelm
[Contributor];
Hauptvogel, Fritz
[Contributor];
Hübner, Arthur
[Contributor];
Kähne, Hermann
[Contributor];
Langenscheldt, Gustav
[Contributor];
Roesner, Ernst
[Contributor];
Schafheutle, Josef
[Contributor];
Sieverts, Rudolf
[Contributor];
Sieverts, Rudolf
[Editor];
Wiethold, Ferdinand
[Contributor]