BRIEF [O.A.] Selenka, Lenore Margarethe Author: Selenka, Lenore Margarethe Recipient: Haeckel, Ernst Dating: 23.06.1902
BRIEF [O.A.] Selenka, Lenore Margarethe Author: Selenka, Lenore Margarethe Recipient: Haeckel, Ernst Corporation: Komitee für Kundgebungen zur Friedenskonferenz Dating: 07.03.????
BRIEF [O.A.] Selenka, Lenore Margarethe Author: Selenka, Lenore Margarethe Recipient: Haeckel, Ernst Dating: 01.11.????
BRIEF [O.A.] Selenka, Lenore Margarethe Author: Selenka, Lenore Margarethe Recipient: Haeckel, Ernst Corporation: Internationale Friedensliga der Frauen Dating: 31.12.????
BRIEF [O.A.] Selenka, Lenore Margarethe Author: Selenka, Lenore Margarethe Recipient: Haeckel, Ernst Dating: 15.02.1896