Columbia subject headings:
Agriculture--International cooperation.
American Economic Association.
Economics--History.
International relations--Congresses.
Technical assistance, American.
United States--Economic policy.
Harvard subject headings:
American Economic Association.
Economics--History
International relations--Congresses
Technical assistance, American.
United States--Economic policy.
Princeton subject headings:
American Economic Association.
Economics--History.
International relations--Congresses.
Technical assistance, American.
United States--Economic policy.