Columbia subject headings:
Nineteen sixty-eight, A.D.
Popular music--1961-1970--History and criticism.
Popular music--Political aspects--History--20th century.
Popular music--Social aspects--History--20th century.
Protest songs--History and criticism.
Harvard subject headings:
Princeton subject headings:
Nineteen sixty-eight, A.D.
Popular music--1961-1970--History and criticism.
Popular music--Political aspects--History--20th century.
Popular music--Social aspects--History--20th century.
Protest songs--History and criticism.