Columbia subject headings:
Frontier and pioneer life--West (U.S.)--Public opinion.
Public opinion--Europe.
West (U.S.)--Foreign public opinion, European.
Harvard subject headings:
Frontier and pioneer life--West (U.S.)--Public opinion.
Public opinion--Europe
West (U.S.)--Foreign public opinion, European.
Princeton subject headings:
Frontier and pioneer life--West (U.S.)--Public opinion.
Public opinion--Europe.
West (U.S.)--Foreign public opinion, European.