Columbia subject headings:
African Americans--Music--History and criticism.
Folk songs, English--United States--History and criticism.
Gospel music--History and criticism.
Music--United States--History and criticism.
Harvard subject headings:
African Americans--Music--History and criticism
Folk songs, English--United States--History and criticism
Gospel music--History and criticism
Music--United States--History and criticism
Princeton subject headings:
African Americans--Music--History and criticism.
Folk songs, English--United States--History and criticism.
Gospel music--History and criticism.
Music--United States--History and criticism.