BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Schmidt, Heinrich Dating: 01.12.1900
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Rooseboom Pit, Nanny Dating: 24.12.1900
BRIEF OHNE UMSCHLAG Schild, Johann Author: Schild, Johann Recipient: Haeckel, Ernst Corporation: Deutsch-Australische-Dampfschiffs-Gesellschaft Dating: 13.03.1901
BRIEF OHNE UMSCHLAG Schild, Johann Author: Schild, Johann Recipient: Haeckel, Ernst Dating: 20.03.1901
BRIEF OHNE UMSCHLAG Schild, Johann Author: Schild, Johann Recipient: Haeckel, Ernst Dating: 21.08.1901
BRIEF OHNE UMSCHLAG Schild, Johann Author: Schild, Johann Recipient: Haeckel, Ernst Dating: 08.10.1902
BRIEF OHNE UMSCHLAG Schild, Johann Author: Schild, Johann Recipient: Haeckel, Ernst Dating: 11.06.1902
BRIEF OHNE UMSCHLAG Schild, Johann Author: Schild, Johann Recipient: Haeckel, Ernst Dating: 09.04.1902
BRIEF OHNE UMSCHLAG Schild, Johann Author: Schild, Johann Recipient: Haeckel, Ernst Dating: 22.12.1903
BRIEF OHNE UMSCHLAG Schild, Johann Author: Schild, Johann Recipient: Haeckel, Ernst Dating: 03.06.1909