Columbia subject headings:
China--Foreign relations--1912-1949.
Diplomats--China--Biography.
Koo, V. K. Wellington, 1888-1985.
Harvard subject headings:
China--Foreign relations--1912-1949
Diplomats--China--Biography
Koo, V. K. Wellington, 1888-1985.
Princeton subject headings:
China--Foreign relations--1912-1949.
Diplomats--China--Biography.
Koo, V. K. Wellington, 1888-1985.