Columbia subject headings:
Grain trade--Political aspects--India.
Grain trade--Political aspects--Soviet Union.
Grain trade--Political aspects--United States.
India--Foreign relations.
Soviet Union--Foreign relations.
United States--Foreign relations.
Harvard subject headings:
Grain trade--Political aspects--India.
Grain trade--Political aspects--Soviet Union.
Grain trade--Political aspects--United States.
India--Foreign relations.
Soviet Union--Foreign relations.
United States--Foreign relations.
Princeton subject headings:
Grain trade--Political aspects--India.
Grain trade--Political aspects--Soviet Union.
Grain trade--Political aspects--United States.
India--Foreign relations.
Soviet Union--Foreign relations.
United States--Foreign relations.