BRIEF [O.A.] Daxenbichler, Fanny Author: Daxenbichler, Fanny Recipient: Haeckel, Ernst Dating: 14.02.1910
BRIEF [O.A.] Daxenbichler, Fanny Author: Daxenbichler, Fanny Recipient: Haeckel, Ernst Dating: 20.02.1910
BRIEF [O.A.] Daxenbichler, Fanny Author: Daxenbichler, Fanny Recipient: Haeckel, Ernst Dating: 29.09.1910
POSTKARTE Zachariewicz, Julian von Author: Zachariewicz, Julian von Recipient: Haeckel, Ernst Dating: 15.08.1910
BRIEF [O.A.] Rakus, Theodor G... Author: Rakus, Theodor G... Recipient: Haeckel, Ernst Corporation: Hauptleitung des Salzburger Hochschulvereines Dating: 28.09.1910
BRIEF OHNE UMSCHLAG Hatschek, Berthold Author: Hatschek, Berthold Recipient: Haeckel, Ernst Dating: 19.09.1910
POSTKARTE Rakus, Theodor G... Author: Rakus, Theodor G... Recipient: Haeckel, Ernst Dating: 04.10.1910