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