Columbia subject headings:
China--Commerce--United States.
China--Commerce.
China--Commercial policy.
China--Economic policy--1949-
United States--Commerce--China.
Harvard subject headings:
China--Commerce--United States.
China--Commerce.
China--Commercial policy.
China--Economic policy--1949-
United States--Commerce--China.
Princeton subject headings:
China--Commerce--United States.
China--Commerce.
China--Commercial policy.
China--Economic policy--1949-
United States--Commerce--China.