Columbia subject headings:
Agriculture and state--United States.
Agriculture--Economic aspects--United States.
United States--Economic conditions--1981-2001.
United States--Economic policy--1981-1993.
Harvard subject headings:
Agriculture and state--United States.
Agriculture--Economic aspects--United States
United States--Economic conditions--1981-2001.
United States--Economic policy--1981-1993.
Princeton subject headings:
Agriculture and state--United States.
Agriculture--Economic aspects--United States.
United States--Economic conditions--1981-2001.
United States--Economic policy--1981-1993.