BRIEF OHNE UMSCHLAG Magnussen, Harro Author: Magnussen, Harro Recipient: Haeckel, Ernst Dating: 18.06.1902
BRIEF OHNE UMSCHLAG Magnussen, Harro Author: Magnussen, Harro Recipient: Haeckel, Ernst Dating: 23.01.1902
BRIEF OHNE UMSCHLAG Magnussen, Harro Author: Magnussen, Harro Recipient: Haeckel, Ernst Dating: 28.01.1902
BRIEF OHNE UMSCHLAG Magnussen, Harro Author: Magnussen, Harro Recipient: Haeckel, Ernst Dating: 31.01.1902
BRIEF OHNE UMSCHLAG Magnussen, Harro Author: Magnussen, Harro Recipient: Haeckel, Ernst Dating: 02.02.1902
BRIEF OHNE UMSCHLAG Magnussen, Harro Author: Magnussen, Harro Recipient: Haeckel, Ernst Dating: 09.02.1902
BRIEF OHNE UMSCHLAG Magnussen, Harro Author: Magnussen, Harro Recipient: Haeckel, Ernst Dating: 15.02.1902
BRIEF OHNE UMSCHLAG Magnussen, Harro Author: Magnussen, Harro Recipient: Haeckel, Ernst Dating: 27.02.1902