ANSICHTSKARTE
Haeckel, Ernst
Author:
Haeckel, Ernst
Recipient:
Kalthoff, Albert
Dating:
25.11.1905
Authors
Recipients
Authoring institutions
Recipient institutions
ANSICHTSKARTE
Friederici, Otto
Author:
Friederici, Otto
Recipient:
Haeckel, Ernst
Dating:
11.11.1905
ANSICHTSKARTE
Friederici, Erna
Author:
Friederici, Erna
Recipient:
Haeckel, Ernst
Dating:
14.09.1906