BRIEF [O.A.] Zachariewicz, Julian von Author: Zachariewicz, Julian von Recipient: Haeckel, Ernst Dating: 15.02.1915
BRIEF [O.A.] Zachariewicz, Julian von Author: Zachariewicz, Julian von Recipient: Haeckel, Ernst Dating: 06.04.1915
BRIEF [O.A.] Zachariewicz, Julian von Author: Zachariewicz, Julian von Recipient: Haeckel, Ernst Dating: 03.08.1915
BRIEF [O.A.] Zachariewicz, Julian von Author: Zachariewicz, Julian von Recipient: Haeckel, Ernst Dating: 11.08.1915
BRIEF [O.A.] Zachariewicz, Julian von Author: Zachariewicz, Julian von Recipient: Haeckel, Ernst Dating: 28.08.1915
BRIEF [O.A.] Zachariewicz, Julian von Author: Zachariewicz, Julian von Recipient: Haeckel, Ernst Dating: 13.09.1915
BRIEF [O.A.] Zachariewicz, Julian von Author: Zachariewicz, Julian von Recipient: Haeckel, Ernst Dating: 26.09.1915
BRIEF [O.A.] Zachariewicz, Julian von Author: Zachariewicz, Julian von Recipient: Haeckel, Ernst Dating: 03.10.1915
BRIEF [O.A.] Zachariewicz, Julian von Author: Zachariewicz, Julian von Recipient: Haeckel, Ernst Dating: 08.10.1915