Columbia subject headings:
Harvard subject headings:
Berlin Wall, Berlin, Germany, 1961-1989, in literature.
German literature--20th century--History and criticism
German literature--Germany (East)--History and criticism
Princeton subject headings:
Berlin Wall, Berlin, Germany, 1961-1989, in literature.
German literature--20th century--History and criticism.
German literature--Germany (East)--History and criticism.