Columbia subject headings:
Harvard subject headings:
Asia, Central--History.
Asia, Central--Relations--China.
China--History--18th century
China--History--19th century
China--Relations--Asia, Central.
China--Territorial expansion.
Eastern question (Central Asia)
Princeton subject headings:
Asia, Central--History.
Asia, Central--Relations--China.
China--History--18th century.
China--History--19th century.
China--Relations--Asia, Central.
China--Territorial expansion.
Eastern question (Central Asia)