BRIEF [O.A.] Sethe, Wilhelmine (geb. Bölling) Author: Sethe, Wilhelmine (geb. Bölling) Recipient: Haeckel, Ernst Dating: 11.02.1868
BRIEF [O.A.] Sethe, Wilhelmine (geb. Bölling) Author: Sethe, Wilhelmine (geb. Bölling) Recipient: Haeckel, Ernst Dating: 31.07.1868
BRIEF [O.A.] Sethe, Wilhelmine (geb. Bölling) Author: Sethe, Wilhelmine (geb. Bölling) Recipient: Haeckel, Ernst Dating: 09.10.1868
BRIEF [O.A.] Sethe, Wilhelmine (geb. Bölling) Author: Sethe, Wilhelmine (geb. Bölling) Recipient: Haeckel, Ernst Dating: 12.11.1868