BRIEF OHNE UMSCHLAG Bothe, Margarete Author: Bothe, Margarete Recipient: Haeckel, Ernst Dating: ??.03.1916
BRIEF OHNE UMSCHLAG Horvath, Andreas Author: Horvath, Andreas Recipient: Haeckel, Ernst Dating: 01.10.1908
BRIEF OHNE UMSCHLAG Bothe, Margarete Author: Bothe, Margarete Recipient: Haeckel, Ernst Dating: ??.07.1916
BRIEF OHNE UMSCHLAG Aszlányi, Desider Author: Aszlányi, Desider Recipient: Haeckel, Ernst Dating: 21.10.1911
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Charlotte Dating: 05.05.1873
BRIEF OHNE UMSCHLAG Lehotay, Maria von Author: Lehotay, Maria von Recipient: Haeckel, Ernst Dating: 03.08.1916
BRIEF OHNE UMSCHLAG Tivadary, Kormos Author: Tivadary, Kormos Recipient: Haeckel, Ernst Dating: 30.12.1901