TELEGRAMM Sachsen-Altenburg, Ernst II. Herzog von Author: Sachsen-Altenburg, Ernst II. Herzog von Recipient: Haeckel, Ernst Dating: 24.07.1908
TELEGRAMM Sachsen-Altenburg, Ernst II. Herzog von Author: Sachsen-Altenburg, Ernst II. Herzog von Recipient: Haeckel, Ernst Dating: 29.07.1908
TELEGRAMM Miller zu Aichholz, Viktor von Author: Miller zu Aichholz, Viktor von Recipient: Haeckel, Ernst Dating: 01.08.1908
TELEGRAMM Schönfeld, Engelbert Author: Schönfeld, Engelbert Recipient: Haeckel, Ernst Dating: 16.02.1908
TELEGRAMM Strasburger, Eduard Author: Strasburger, Eduard Recipient: Haeckel, Ernst Dating: 24.03.1908