Columbia subject headings:
Political ballads and songs--Germany (West)--History and criticism.
Protest songs--Germany (West)--History and criticism.
Student movements--Germany (West)
Harvard subject headings:
Political ballads and songs--Germany.
Protest songs--Germany.
Student movements--Germany.
Princeton subject headings:
Political ballads and songs--Germany (West).
Protest songs--Germany (West).
Student movements--Germany (West)