BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Günther, Albert Carl Ludwig Gotthilf Dating: 13.08.1879
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Günther, Albert Carl Ludwig Gotthilf Dating: 30.10.1879
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Günther, Albert Carl Ludwig Gotthilf Dating: 07.01.1891
POSTKARTE Haeckel, Ernst Author: Haeckel, Ernst Recipient: Günther, Albert Carl Ludwig Gotthilf Dating: 1891 [ca.]
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Günther, Albert Carl Ludwig Gotthilf Dating: 08.11.1892
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Günther, Albert Carl Ludwig Gotthilf Dating: 03.10.1893
VISITENKARTE Haeckel, Ernst Author: Haeckel, Ernst Recipient: Günther, Albert Carl Ludwig Gotthilf Dating: 28.02.1889
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Günther, Albert Carl Ludwig Gotthilf Dating: 15.10.1876
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Günther, Albert Carl Ludwig Gotthilf Dating: 09.08.1879
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Günther, Albert Carl Ludwig Gotthilf Dating: 06.02.1881