Columbia subject headings:
China--Foreign relations--1912-1949.
China--History--Republic, 1912-1949.
China--Politics and government--1912-1928.
China--Politics and government--1912-1949.
Harvard subject headings:
China--Foreign relations--1912-1949
China--History--Republic, 1912-1949.
China--Politics and government--1912-1949.
History.
Princeton subject headings: