Columbia subject headings:
Public opinion--United States.
United States--Politics and government--1945-1989.
Vietnam War, 1961-1975--United States.
Harvard subject headings:
Public opinion--United States
United States--Politics and government--1945-1989.
Vietnam War, 1961-1975--Public opinion--United States.
Vietnam War, 1961-1975--United States
Princeton subject headings:
Public opinion--United States.
Vietnam War, 1961-1975--Public opinion--United States.