Columbia subject headings:
Authors, German--20th century--Political and social views.
Berlin Wall, Berlin, Germany, 1961-1989--Literary collections.
Harvard subject headings:
Authors, German--20th century--Political and social views
Berlin Wall, Berlin, Germany, 1961-1989--Literary collections.
German literature.
Princeton subject headings:
Authors, German--20th century--Political and social views.
Berlin Wall, Berlin, Germany, 1961-1989--Literary collections.
Literature.