BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Reimer, Ernst Dating: 09.01.1879
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Man, Johannes Govertus Dating: 30.09.1879
BRIEF OHNE UMSCHLAG Greeff, Richard Author: Greeff, Richard Recipient: Haeckel, Ernst Dating: 24.05.1879
BRIEF OHNE UMSCHLAG Deubler, Konrad Author: Deubler, Konrad Recipient: Haeckel, Ernst Dating: 01.01.1879
BRIEF OHNE UMSCHLAG Deubler, Konrad Author: Deubler, Konrad Recipient: Haeckel, Ernst Dating: 25.02.1879
BRIEF OHNE UMSCHLAG Deubler, Konrad Author: Deubler, Konrad Recipient: Haeckel, Ernst Dating: 19.07.1879
BRIEF OHNE UMSCHLAG Deubler, Konrad Author: Deubler, Konrad Recipient: Haeckel, Ernst Dating: 23.11.1879
BRIEF OHNE UMSCHLAG Deubler, Konrad Author: Deubler, Konrad Recipient: Haeckel, Ernst Dating: 30.12.1879
BRIEF OHNE UMSCHLAG Frobeen, Georg Author: Frobeen, Georg Recipient: Haeckel, Ernst Corporation: Georg Frobeen & Cie., Verlagsbuchhandlung Dating: 18.08.1879
BRIEF OHNE UMSCHLAG Focke, Wilhelm Olbers Author: Focke, Wilhelm Olbers Recipient: Haeckel, Ernst Dating: 18.03.1879