Columbia subject headings:
Capitalism.
Individualism.
Industrial productivity--United States.
Middle class--United States--Economic conditions.
United States--Economic conditions--1971-1981.
Harvard subject headings:
Capitalism.
Individualism.
Industrial productivity--United States.
Middle class--United States--Economic conditions.
United States--Economic conditions--1971-1981.
Princeton subject headings:
Capitalism.
Individualism.
Industrial productivity--United States.
Middle class--United States--Economic conditions.
United States--Economic conditions--1971-1981.