Columbia subject headings:
Prices--United States.
Profit--United States.
United States--Economic conditions--1961-1971.
United States--Economic conditions--1971-1981.
Harvard subject headings:
Prices--United States
Profit--United States
United States--Economic conditions--1961-1971.
United States--Economic conditions--1971-1981.
Princeton subject headings:
Prices--United States.
Profit--United States.
United States--Economic conditions--1961-1971.
United States--Economic conditions--1971-1981.