BRIEF OHNE UMSCHLAG Kish, Victor Emmanuel Author: Kish, Victor Emmanuel Recipient: Haeckel, Ernst Dating: 23.02.1914
BRIEF OHNE UMSCHLAG Frazer, Persifor Author: Frazer, Persifor Recipient: Haeckel, Ernst Dating: 13.03.1902
BRIEF OHNE UMSCHLAG Moore, J. Percy Author: Moore, J. Percy Recipient: Haeckel, Ernst Corporation: The Academy of Natural Sciences of Philadelphia
BRIEF OHNE UMSCHLAG Moore, J. Percy Author: Moore, J. Percy Recipient: Haeckel, Ernst Corporation: The Academy of Natural Sciences of Philadelphia Dating: 25.05.1911
BRIEF OHNE UMSCHLAG Moser, Elwood Smith Author: Moser, Elwood Smith Recipient: Haeckel, Ernst Corporation: The Independent Dating: 19.05.1901
BRIEF OHNE UMSCHLAG Buchanan, E. T. Author: Buchanan, E. T. Recipient: Haeckel, Ernst Corporation: Wilson & Buchanan
BRIEF OHNE UMSCHLAG Golden, Henry; Levy, Simon [et al.] Author: Golden, Henry; Levy, Simon [et al.] Recipient: Haeckel, Ernst Corporation: The Rationalist Press Association Dating: 05.02.1909