Columbia subject headings:
China--Commerce--United States--Congresses.
China--Economic conditions--1949---Congresses.
East-West trade.
United States--Commerce--China--Congresses.
Harvard subject headings:
China--Commerce--United States--Congresses.
China--Economic conditions--1949-1976--Congresses.
United States--Commerce--China--Congresses.
Princeton subject headings:
China--Commerce--United States--Congresses.
China--Economic conditions--1949-1976--Congresses.
United States--Commerce--China--Congresses.