Columbia subject headings:
China--History--19th century.
China--History--20th century.
Revolutions--China.
Harvard subject headings:
China--History--19th century--Historiography.
China--History--20th century--Historiography.
Revolutions--China--Historiography.
Princeton subject headings:
China--History--19th century.
China--History--20th century.
Revolutions--China.