ANSICHTSKARTE Haeckel, Walther; Haeckel, Josefa Author: Haeckel, Walther; Haeckel, Josefa Recipient: Haeckel, Ernst Dating: 08.10.1909
ANSICHTSKARTE Haeckel, Walther; Haeckel, Josefa Author: Haeckel, Walther; Haeckel, Josefa Recipient: Haeckel, Ernst; Haeckel, Agnes [Eltern] Dating: 06.08.1907
ANSICHTSKARTE Haeckel, Walther; Havenhagen, Hellmuth Author: Haeckel, Walther; Havenhagen, Hellmuth Recipient: Haeckel, Agnes Dating: 20.12.1908
ANSICHTSKARTE Haeckel, Walther; Haeckel, Josefa Author: Haeckel, Walther; Haeckel, Josefa Recipient: Haeckel, Ernst Dating: 07.03.1908
ANSICHTSKARTE Haeckel, Walther; Haeckel, Josefa Author: Haeckel, Walther; Haeckel, Josefa Recipient: Haeckel, Ernst; Haeckel, Agnes [Eltern] Dating: 19.04.1908