BRIEF OHNE UMSCHLAG Anheisser, Roland Author: Anheisser, Roland Recipient: Haeckel, Ernst Dating: 10.06.1904
BRIEF OHNE UMSCHLAG Anheisser, Roland Author: Anheisser, Roland Recipient: Haeckel, Ernst Dating: 13.06.1904
BRIEF OHNE UMSCHLAG Anheisser, Roland Author: Anheisser, Roland Recipient: Haeckel, Ernst Dating: 17.10.1904