Columbia subject headings:
Harvard subject headings:
Public opinion--United States
Social surveys--United States.
United States--Economic conditions--1945---Public opinion.
United States--Social conditions--1945---Public opinion.
United States--Statistics--Public opinion.
Princeton subject headings:
Public opinion--United States--Statistics.
Social surveys--United States.
United States--Politics and government--20th century--Public opinion--Statistics.
United States--Social conditions--1960-1980--Public opinion--Statistics.
United States--Social conditions--1980---Public opinion--Statistics.