Columbia subject headings:
Harvard subject headings:
Ballads, English--United States--History and criticism
Folk songs, English--United States--History and criticism
Folk songs--United States--History and criticism.
Hymns, English--History and criticism.
Spirituals (Songs)--History and criticism
Princeton subject headings:
Folk songs, English--United States--History and criticism.
Hymns, English--History and criticism.
Spirituals (Songs)--History and criticism.