Columbia subject headings:
Country music.
Harvard subject headings:
Bluegrass music
Cajun music
Country music--1971-1980
Country music--To 1951
Cowboys--Songs and music
Music--United States
Old-time music
Princeton subject headings:
Bluegrass music.
Cajun music.
Country music--To 1951.
Country music.
Cowboys--Songs and music.
Old-time music.