Columbia subject headings:
Biermann, Wolf, 1936---Appreciation--Germany (West)
Biermann, Wolf, 1936---Criticism and interpretation.
Harvard subject headings:
Biermann, Wolf, 1936---Appreciation--Germany (West)
Biermann, Wolf, 1936---Criticism and interpretation.
Princeton subject headings:
Biermann, Wolf, 1936---Criticism and interpretation.