BRIEF OHNE UMSCHLAG Finsterbusch, Ludwig Author: Finsterbusch, Ludwig Recipient: Haeckel, Charlotte Dating: 08.12.1861
BRIEF [O.A.] Endemann, Wilhelm Author: Endemann, Wilhelm Recipient: Haeckel, Charlotte Dating: 22.10.1866
BRIEF [O.A.] Endemann, Wilhelm Author: Endemann, Wilhelm Recipient: Haeckel, Charlotte Dating: 23.11.1866
POSTKARTE Haeckel, Agnes (geb. Huschke) Author: Haeckel, Agnes (geb. Huschke) Recipient: Haeckel, Charlotte Dating: 03.09.1880
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Charlotte Dating: 08.12.1855
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Charlotte Dating: 10.12.1853
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Charlotte Dating: 01.01.1854
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Charlotte Dating: 12.11.1853
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Charlotte Dating: 04.10.1853