Vanhöffen, Ernst
[Author of introduction, etc.];
Lendenfeld, Robert von
[Other];
Lohmann, Hans
[Other];
Attems, Carl
[Other];
Reichenow, Anton
[Other];
Michaelsen, Wilhelm
[Other];
Thiele, Johannes
[Other];
Budde-Lund, G.
[Other];
Meisenheimer, Johannes
[Other];
Apstein, Carl
[Other];
Schröder, Olaw
[Other];
Bütschli, Otto
[Other];
Richters, Ferdinand
[Other]