Columbia subject headings:
Folk music--West (U.S.)
Folk songs, English--West (U.S.)
West (U.S.)--Songs and music.
Harvard subject headings:
Folk songs--West (U.S.)
West (U.S.)--Songs and music.
Princeton subject headings:
Folk music--West (U.S.)
Folk music.
Folk songs, English--West (U.S.)
Folk songs.
West (U.S.)--Songs and music.