Columbia subject headings:
Commercial policy--Congresses.
Japan--Commerce--United States--Congresses.
Raw materials--Congresses.
United States--Commerce--Japan--Congresses.
Harvard subject headings:
Commercial policy--Congresses
Japan--Commerce--United States--Congresses.
Raw materials--Congresses.
United States--Commerce--Japan--Congresses.
Princeton subject headings:
Commercial policy--Congresses.
Japan--Commerce--United States--Congresses.
Raw materials--Congresses.
United States--Commerce--Japan--Congresses.