BRIEF [O.A.] Sethe, Wilhelmine (geb. Bölling) Author: Sethe, Wilhelmine (geb. Bölling) Recipient: Haeckel, Ernst Dating: 20.12.1873
BRIEF [O.A.] Haeckel, Agnes (geb. Huschke) Author: Haeckel, Agnes (geb. Huschke) Recipient: Haeckel, Ernst Dating: 04.09.1873
BRIEF OHNE UMSCHLAG Haeckel, Agnes (geb. Huschke) Author: Haeckel, Agnes (geb. Huschke) Recipient: Haeckel, Ernst Dating: 30.08.1873
BRIEF OHNE UMSCHLAG Haeckel, Agnes (geb. Huschke) Author: Haeckel, Agnes (geb. Huschke) Recipient: Haeckel, Ernst Dating: 29.04.1873
BRIEF OHNE UMSCHLAG Haeckel, Agnes (geb. Huschke) Author: Haeckel, Agnes (geb. Huschke) Recipient: Haeckel, Ernst Dating: 14.04.1873