BRIEF OHNE UMSCHLAG Grazie, Marie Eugenie delle Author: Grazie, Marie Eugenie delle Recipient: Haeckel, Ernst Dating: 16.02.1895
BRIEF OHNE UMSCHLAG Grazie, Marie Eugenie delle Author: Grazie, Marie Eugenie delle Recipient: Haeckel, Ernst Dating: 16.02.1895
BRIEF OHNE UMSCHLAG Fürbringer, Max Author: Fürbringer, Max Recipient: Haeckel, Ernst Dating: 05.08.1888
BRIEF OHNE UMSCHLAG Eggeling, Heinrich von Author: Eggeling, Heinrich von Recipient: Haeckel, Ernst Dating: 28.08.1906
BRIEF OHNE UMSCHLAG Eckstein, Friedrich Author: Eckstein, Friedrich Recipient: Haeckel, Ernst Dating: 12.12.1884
BRIEF OHNE UMSCHLAG Eggeling, Heinrich von Author: Eggeling, Heinrich von Recipient: Haeckel, Ernst Dating: 02.09.1907
BRIEF OHNE UMSCHLAG Eisler, Rudolf Author: Eisler, Rudolf Recipient: Haeckel, Ernst Dating: 28.04.1914
BRIEF OHNE UMSCHLAG Benedikt, Moritz Author: Benedikt, Moritz Recipient: Haeckel, Ernst Dating: 28.01.1918