Hertwig, Oscar
[Contributor];
Hertwig, Richard von
[Contributor];
Poll, Heinrich
[Contributor];
Heider, Karl
[Contributor];
Gaupp, Ernst
[Contributor];
Keibel, Franz
[Contributor];
Strasburger, Eduard
[Contributor];
Wettstein, Richard
[Contributor];
Klein, Felix
[Contributor];
Hinneberg, Paul
[Editor]