BRIEF OHNE UMSCHLAG Gandtner, Otto Author: Gandtner, Otto Recipient: Haeckel, Ernst Dating: 18.10.1862
BRIEF OHNE UMSCHLAG Seebeck, Moritz Author: Seebeck, Moritz Recipient: Haeckel, Ernst Dating: 27.07.1862
BRIEF OHNE UMSCHLAG Huxley, Thomas Henry Author: Huxley, Thomas Henry Recipient: Haeckel, Ernst Corporation: The Royal School of Mines Dating: 28.10.1862
BRIEF OHNE UMSCHLAG Schubert, Adolph Author: Schubert, Adolph Recipient: Haeckel, Ernst Dating: 11.06.1862
BRIEF OHNE UMSCHLAG Schubert, Adolph Author: Schubert, Adolph Recipient: Haeckel, Ernst Dating: 10.08.1862
BRIEF OHNE UMSCHLAG Rohrbach, C... Author: Rohrbach, C... Recipient: Haeckel, Ernst Dating: 06.09.1862