Columbia subject headings:
Produce trade--Law and legislation--United States.
Surplus agricultural commodities, American.
Surplus agricultural commodities--United States.
Harvard subject headings:
Produce trade--Law and legislation--United States
Surplus agricultural commodities, American.
Surplus agricultural commodities--United States.
Princeton subject headings:
Produce trade--Law and legislation--United States.
Surplus agricultural commodities, American.
Surplus agricultural commodities--United States.