Columbia subject headings:
Harvard subject headings:
Germany--Foreign relations--1888-1918.
Germany. Auswärtiges Amt--History.
Luxburg, Karl, Graf von, 1872-1956.
Schüler, Edmund.
Princeton subject headings:
Germany--Foreign relations--1888-1918.
Germany. Auswärtiges Amt
World War, 1914-1918--Germany.