BRIEF OHNE UMSCHLAG Hetzer, Wilhelm Author: Hetzer, Wilhelm Recipient: Haeckel, Ernst Dating: 12.02.1854
BRIEF OHNE UMSCHLAG Hetzer, Wilhelm Author: Hetzer, Wilhelm Recipient: Haeckel, Ernst Dating: 30.06.1854
BRIEF OHNE UMSCHLAG Hetzer, Wilhelm Author: Hetzer, Wilhelm Recipient: Haeckel, Ernst Dating: 13.08.1854
BRIEF OHNE UMSCHLAG Hetzer, Wilhelm Author: Hetzer, Wilhelm Recipient: Haeckel, Ernst Dating: 13.11.1854
BRIEF OHNE UMSCHLAG Quincke, Georg Author: Quincke, Georg Recipient: Haeckel, Ernst Dating: 02.06.1854
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Charlotte Dating: 01.01.1854
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Carl Gottlob; Haeckel, Charlotte Dating: 17.08.1854
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Carl Gottlob, Haeckel, Charlotte Dating: 26.01.1854
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Carl Gottlob; Haeckel, Charlotte Dating: 07.02.1854