Columbia subject headings:
Public opinion--United States--History.
United States--Foreign relations--Public opinion--History.
United States--Foreign relations.
United States--History--Philosophy.
Harvard subject headings:
Public opinion--United States--History
United States--Foreign relations--Public opinion
United States--Foreign relations.
United States--History--Philosophy.
Princeton subject headings:
Public opinion--United States--History.
United States--Foreign relations--Public opinion--History.
United States--Foreign relations.
United States--History--Philosophy.