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DOKUMENT
Rassmann, Otto
Author:
Rassmann, Otto
Recipient:
Haeckel, Ernst
Dating:
12.09.1909
DOKUMENT
Fürbringer, Max
Author:
Fürbringer, Max
Recipient:
Haeckel, Ernst
Dating:
24.10.1890
DOKUMENT
Knorr, Ludwig
Author:
Knorr, Ludwig
Recipient:
Haeckel, Ernst
Dating:
17.01.1893
DOKUMENT
Lorenz, Ottokar
Author:
Lorenz, Ottokar
Recipient:
Haeckel, Ernst
Dating:
24.12.1889
1–4
of 4
1