KARTE About, Edmond [et al.] Author: About, Edmond [et al.] Recipient: Haeckel, Ernst Dating: vor Juni 1879
KARTE Haeckel, Georg; Haeckel, Eugenia, geb. Korn Author: Haeckel, Georg; Haeckel, Eugenia, geb. Korn Recipient: Haeckel, Ernst Dating: 03.01.1901