Columbia subject headings:
Economic indicators--United States.
Public opinion--United States.
Social indicators--United States.
United States--Economic conditions--1961-1971--Public opinion.
United States--Social conditions--1960-1980--Public opinion.
Harvard subject headings:
Economic indicators--United States.
Public opinion--United States
Social indicators--United States
United States--Economic conditions--1961-1971--Public opinion.
United States--Social conditions--1960-1980--Public opinion.
Princeton subject headings:
Economic indicators--United States.
Public opinion--United States.
Social indicators--United States.
United States--Economic conditions--1961---Public opinion.
United States--Social conditions--1960---Public opinion.