BILDPOSTKARTE Haeckel, Ernst Author: Haeckel, Ernst Recipient: Heldburg, Helene von Dating: 02.04.1919
BILDPOSTKARTE Haeckel, Ernst Author: Haeckel, Ernst Recipient: Heldburg, Helene von Dating: 31.12.1909
BILDPOSTKARTE Haeckel, Ernst Author: Haeckel, Ernst Recipient: Verworn, Max; Verworn, Josephine Dating: 29.12.1903
BILDPOSTKARTE Grimsehl, Carl; Grimsehl, M. Author: Grimsehl, Carl; Grimsehl, M. Recipient: Haeckel, Ernst Dating: 22.09.1917
BILDPOSTKARTE Grimsehl, Hellmuth Author: Grimsehl, Hellmuth Recipient: Haeckel, Ernst Dating: 18.02.1909
BILDPOSTKARTE Grimsehl, Carl; Krall, Karl Author: Grimsehl, Carl; Krall, Karl Recipient: Haeckel, Ernst Dating: 19.08.1918
BILDPOSTKARTE Eggeling, Heinrich von Author: Eggeling, Heinrich von Recipient: Haeckel, Ernst Dating: 03.09.1910
BILDPOSTKARTE Eggeling, Heinrich von Author: Eggeling, Heinrich von Recipient: Haeckel, Ernst Dating: 01.11.1914
