Columbia subject headings:
Politics, Practical.
Public opinion--United States.
United States--Politics and government--1974-1977.
United States--Social conditions--1960-1980.
Harvard subject headings:
Politics, Practical--United States
Politics, Practical.
Public opinion--United States
United States--Politics and government--1974-1977.
United States--Social conditions--1960-1980.
Princeton subject headings:
Politics, Practical.
Public opinion--United States.
United States--Politics and government--1974-.
United States--Social conditions--1960-.