BRIEF OHNE UMSCHLAG McCabe, Joseph Author: McCabe, Joseph Recipient: Haeckel, Ernst Dating: 21.05.1914
BRIEF OHNE UMSCHLAG Huxley, Henrietta Author: Huxley, Henrietta Recipient: Haeckel, Ernst Dating: 09.03.1914
BRIEF OHNE UMSCHLAG Rottenburg, Paul von Author: Rottenburg, Paul von Recipient: Haeckel, Ernst Dating: 09.07.1914
BRIEF OHNE UMSCHLAG Scheffauer, Herman Author: Scheffauer, Herman Recipient: Haeckel, Ernst Dating: 12.02.1914
BRIEF OHNE UMSCHLAG Scheffauer, Herman Author: Scheffauer, Herman Recipient: Haeckel, Ernst Dating: 31.03.1914
BRIEF OHNE UMSCHLAG Scheffauer, Herman Author: Scheffauer, Herman Recipient: Haeckel, Ernst Dating: 17.04.1914
BRIEF OHNE UMSCHLAG Abbott, George Author: Abbott, George Recipient: Haeckel, Ernst Dating: 01.05.1914
BRIEF OHNE UMSCHLAG Gorham, Charles Turner Author: Gorham, Charles Turner Recipient: Haeckel, Ernst Corporation: The Rationalist Press Association Dating: 30.06.1914