Columbia subject headings:
China--Politics and government--19th century.
China--Politics and government--20th century.
Revolutions--China.
Harvard subject headings:
China--Politics and government--19th century.
China--Politics and government--20th century
Revolutions--China
Princeton subject headings:
China--Politics and government--1900-.
China--Politics and government--19th century.
Revolutions--China.