BRIEF OHNE UMSCHLAG Haeckel, Charlotte Author: Haeckel, Charlotte Recipient: Haeckel, Ernst Dating: 27.07.1845
BRIEF OHNE UMSCHLAG Haeckel, Charlotte Author: Haeckel, Charlotte Recipient: Haeckel, Ernst Dating: 24.02.1842
BRIEF OHNE UMSCHLAG Karo, Adalbert Author: Karo, Adalbert Recipient: Haeckel, Carl Gottlob Dating: 04.03.1864
BRIEF OHNE UMSCHLAG Merkel, Christiane Author: Merkel, Christiane Recipient: Haeckel, Ernst Dating: 04.10.1858
BRIEF OHNE UMSCHLAG Merkel, Christiane Author: Merkel, Christiane Recipient: Haeckel, Ernst Dating: 22.06.1875