BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Rottenburg, Paul von Dating: 23.08.1898
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Rottenburg, Paul von Dating: 24.08.1898
BRIEF OHNE UMSCHLAG Darwin, Francis Author: Darwin, Francis Recipient: Haeckel, Ernst Dating: 03.03.1909
BRIEF OHNE UMSCHLAG Darwin, Francis Author: Darwin, Francis Recipient: Haeckel, Ernst Dating: 02.05.1909
BRIEF OHNE UMSCHLAG Gadow, Hans Author: Gadow, Hans Recipient: Haeckel, Ernst Corporation: University Museum of Zoology Dating: 03.03.1906
BRIEF OHNE UMSCHLAG Gadow, Hans Author: Gadow, Hans Recipient: Haeckel, Ernst Corporation: University Museum of Zoology Dating: 17.01.1909
BRIEF OHNE UMSCHLAG Gadow, Hans Author: Gadow, Hans Recipient: Haeckel, Ernst Corporation: University Museum of Zoology Dating: 06.03.1909
BRIEF OHNE UMSCHLAG Gadow, Hans Author: Gadow, Hans Recipient: Haeckel, Ernst Corporation: University Museum of Zoology Dating: 11.06.1894
BRIEF OHNE UMSCHLAG Gadow, Hans Author: Gadow, Hans Recipient: Haeckel, Ernst Corporation: University Museum of Zoology Dating: 31.01.1898