BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Charlotte Dating: 14.03.1866
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Charlotte Dating: 16.09.1866
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Charlotte Dating: 16.05.1873
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Charlotte Dating: 22.05.1873
BRIEF OHNE UMSCHLAG Bleek, Auguste Author: Bleek, Auguste Recipient: Haeckel, Charlotte Dating: 01.10.1870
BRIEF OHNE UMSCHLAG Bleek, Theodor Author: Bleek, Theodor Recipient: Haeckel, Charlotte Dating: 16.10.1866
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
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Charlotte Dating: 29.06.1861