BILLET Schleicher, August Author: Schleicher, August Recipient: Haeckel, Ernst; Haeckel, Anna Dating: 29.10.1863
BRIEF OHNE UMSCHLAG Chamisso, Hermann von Author: Chamisso, Hermann von Recipient: Haeckel, Ernst; Haeckel, Anna Dating: 18.08.1862
BRIEF OHNE UMSCHLAG Haeckel, Carl Gottlob Author: Haeckel, Carl Gottlob Recipient: Haeckel, Ernst; Haeckel, Anna Dating: 22.04.1863
BRIEF OHNE UMSCHLAG Haeckel, Carl Gottlob Author: Haeckel, Carl Gottlob Recipient: Haeckel, Ernst; Haeckel, Anna Dating: 20.08.1863
BRIEF [O.A.] Haeckel, Carl Gottlob; Haeckel, Charlotte Author: Haeckel, Carl Gottlob; Haeckel, Charlotte Recipient: Haeckel, Ernst; Haeckel, Anna Dating: 29.11.1862
BRIEF OHNE UMSCHLAG Haeckel, Carl Gottlob; Haeckel, Charlotte Author: Haeckel, Carl Gottlob; Haeckel, Charlotte Recipient: Haeckel, Ernst; Haeckel, Anna Dating: 28.08.1862
BRIEF [O.A.] Haeckel, Carl Gottlob; Haeckel, Charlotte Author: Haeckel, Carl Gottlob; Haeckel, Charlotte Recipient: Haeckel, Ernst; Haeckel, Anna Dating: 05.01.1864
BRIEF OHNE UMSCHLAG Haeckel, Carl Gottlob Author: Haeckel, Carl Gottlob Recipient: Haeckel, Ernst; Haeckel, Anna Dating: 09.07.1863
BRIEF OHNE UMSCHLAG Haeckel, Carl Gottlob Author: Haeckel, Carl Gottlob Recipient: Haeckel, Ernst; Haeckel, Anna Dating: 22.08.1862
BRIEF OHNE UMSCHLAG Haeckel, Carl Gottlob Author: Haeckel, Carl Gottlob Recipient: Haeckel, Ernst; Haeckel, Anna Dating: 28.08.1862