Columbia subject headings:
Vietnam War, 1961-1975--Influence.
Vietnam War, 1961-1975--Psychological aspects.
Vietnam War, 1961-1975--United States.
Harvard subject headings:
Vietnam War, 1961-1975--Influence
Vietnam War, 1961-1975--Psychological aspects
Vietnam War, 1961-1975--United States
Princeton subject headings:
Vietnam War, 1961-1975--Influence.
Vietnam War, 1961-1975--Psychological aspects.
Vietnam War, 1961-1975--United States.