ANSICHTSKARTE Roth von Otto, Elsa Author: Roth von Otto, Elsa Recipient: Haeckel, Ernst Dating: 30.12.1908
ANSICHTSKARTE Haeckel, Charlotte Author: Haeckel, Charlotte Recipient: Haeckel, Ernst Dating: 01.10.1871
ANSICHTSKARTE Haeckel, Walther Author: Haeckel, Walther Recipient: Haeckel, Ernst; Haeckel, Agnes [Eltern] Dating: 30.04.1901
ANSICHTSKARTE Bermann, Cipri Adolf; Bermann, Clara Author: Bermann, Cipri Adolf; Bermann, Clara Recipient: Haeckel, Ernst Dating: 31.12.1907
ANSICHTSKARTE Engelmann, Theodor Wilhelm Author: Engelmann, Theodor Wilhelm Recipient: Haeckel, Ernst Dating: 15.02.1903
ANSICHTSKARTE Schulze, Franz Eilhard Author: Schulze, Franz Eilhard Recipient: Haeckel, Ernst Dating: 05.12.1913
ANSICHTSKARTE Schulze, Franz Eilhard Author: Schulze, Franz Eilhard Recipient: Haeckel, Ernst Dating: 30.12.1913