BRIEF OHNE UMSCHLAG Sethe, Hermine Author: Sethe, Hermine Recipient: Haeckel, Ernst Dating: 24.01.1853
BRIEF OHNE UMSCHLAG Sethe, Hermine Author: Sethe, Hermine Recipient: Haeckel, Ernst Dating: 28.03.1854
BRIEF OHNE UMSCHLAG Sethe, Hermine Author: Sethe, Hermine Recipient: Haeckel, Ernst Dating: 12.11.1853
BRIEF OHNE UMSCHLAG Sethe, Hermine Author: Sethe, Hermine Recipient: Haeckel, Ernst Dating: 12.02.1854