Hediger, Heini
[Editor];
Dobberstein, Johannes
[Contributor];
Eisenberg, J.F
[Contributor];
Heusser, H.
[Contributor];
Kühme, W.
[Contributor];
Kummer, H.
[Contributor];
Kurt, F.
[Contributor];
Lecomte, J.
[Contributor];
Leyhausen, Paul
[Translator];
Degen, Heinz
[Translator]