Columbia subject headings:
China--Economic conditions--1912-1949.
China--Foreign relations.
China--Politics and government--1912-1928.
Eastern question (Far East)
Exterritoriality.
Harvard subject headings:
China--Economic conditions--1912-1949.
China--Foreign relations.
China--Politics and government--1912-1928
China--Politics and government--1912-1949.
Eastern question (Far East)
Exterritoriality.
Princeton subject headings:
China--Economic conditions--1918-.
China--Foreign relations.
China--Politics and government--1912-.
Eastern question (Far East)
Exterritoriality.