Baasch, Ernst
[Contributor];
Beutler, Ernst
[Contributor];
Cuno, W
[Contributor];
Diestel
[Contributor];
Eggers, Wilhelm J.
[Other];
Hasselmann, Friedrich
[Contributor];
Hermann, G
[Contributor];
Hübbe, A
[Contributor];
Lauffer, Otto
[Contributor];
Nirrnheim, H
[Contributor];
Obst, Arthur
[Contributor];
O’Swald, Alfred
[Contributor];
Pauli
[Contributor];
Perner, Richard
[Contributor];
Reinhold, A
[Contributor];
Schuhmacher, Fritz
[Contributor];
Spengel, Julius
[Contributor];
Stenzel, Georg
[Contributor];
The Deutsche Auslands-Arbeitsgemeinschaft of Hamburg
[Editor];
Thilenius
[Contributor];
Thomae
[Contributor];
Wendemuth, L
[Contributor];
Zahn, Friedrich
[Contributor]