Columbia subject headings:
China--Foreign relations--Germany.
China--History--Republic, 1912-1949.
Diplomats--China--Biography.
Diplomats--Germany--Biography.
Germany--Foreign relations--China.
Mohr, Ernst Günther.
Harvard subject headings:
China--Foreign relations--Germany.
China--History--Republic, 1912-1949.
Diplomats--China--Biography
Diplomats--Germany--Biography
Germany--Foreign relations--China.
Mohr, Ernst Günther.
Princeton subject headings:
China--History--1949-
Mao, Zedong, 1893-1976.