Columbia subject headings:
China--Foreign relations--United States.
China--Relations--China--Hong Kong.
Hong Kong (China)--Politics and government.
Hong Kong (China)--Relations--China.
United States--Foreign relations--China.
Harvard subject headings:
China--Foreign relations--United States.
China--Relations--China--Hong Kong.
Hong Kong (China)--Politics and government.
Hong Kong (China)--Relations--China.
United States--Foreign relations--China.
Princeton subject headings:
China--Foreign relations--United States.
China--Relations--China--Hong Kong.
Hong Kong (China)--Politics and government.
Hong Kong (China)--Relations--China.
United States--Foreign relations--China.