Columbia subject headings:
Acreage allotments--United States.
Agricultural subsidies--United States.
Agriculture and state--United States--Evaluation.
Farm income--United States.
Harvard subject headings:
Acreage allotments--Law and legislation--United States
Acreage allotments--United States.
Agricultural laws and legislation--United States.
Agricultural subsidies--United States.
Agriculture and state--United States--Evaluation.
Agriculture and state--United States.
Farm income--United States
Princeton subject headings:
Acreage allotments--United States.
Agricultural subsidies--United States.
Agriculture and state--United States.
Farm income--United States.