BRIEF OHNE UMSCHLAG Rottenburg, Paul von Author: Rottenburg, Paul von Recipient: Haeckel, Ernst Dating: 20.12.1892
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 Geddes, Patrick Author: Geddes, Patrick Recipient: Haeckel, Ernst Dating: 02.02.1888
BRIEF OHNE UMSCHLAG Geddes, Patrick Author: Geddes, Patrick Recipient: Haeckel, Ernst Corporation: National Association for the Advancement of Art Dating: 04.09.1889
BRIEF OHNE UMSCHLAG Geddes, Patrick Author: Geddes, Patrick Recipient: Haeckel, Ernst Corporation: Sociological Society Dating: 02.02.1905
BRIEF OHNE UMSCHLAG Geddes, Patrick Author: Geddes, Patrick Recipient: Haeckel, Ernst Corporation: University College Dundee Dating: 19.05.1884
BRIEF OHNE UMSCHLAG Pfeiffer, Jurgen Edward Author: Pfeiffer, Jurgen Edward Recipient: Haeckel, Ernst Dating: 27.10.1875