BRIEF OHNE UMSCHLAG Dodel-Port, Arnold Author: Dodel-Port, Arnold Recipient: Haeckel, Ernst Dating: 25.11.1874
BRIEF OHNE UMSCHLAG Dodel-Port, Arnold Author: Dodel-Port, Arnold Recipient: Haeckel, Ernst Dating: 25.12.1874
BRIEF OHNE UMSCHLAG Quincke, Heinrich Author: Quincke, Heinrich Recipient: Haeckel, Ernst Dating: 14.06.1874
BRIEF OHNE UMSCHLAG Quincke, Heinrich Author: Quincke, Heinrich Recipient: Haeckel, Ernst Dating: 19.06.1874
BRIEF OHNE UMSCHLAG Keller, Conrad Author: Keller, Conrad Recipient: Haeckel, Ernst Dating: 15.07.1874
BRIEF OHNE UMSCHLAG Keller, Conrad Author: Keller, Conrad Recipient: Haeckel, Ernst Dating: 23.09.1874
BRIEF OHNE UMSCHLAG Keller, Conrad Author: Keller, Conrad Recipient: Haeckel, Ernst Dating: 20.12.1874
BRIEF OHNE UMSCHLAG Engelmann, Wilhelm Author: Engelmann, Wilhelm Recipient: Haeckel, Ernst Corporation: Wilhelm Engelmann Verlagsbuchhandlung Dating: 04.08.1874