Columbia subject headings:
German literature--20th century--History and criticism.
German literature--Germany (East)--History and criticism.
German literature--Germany (West)--History and criticism.
Harvard subject headings:
German literature--20th century--History and criticism
German literature--Germany (East)--History and criticism
German literature--Germany (West)--History and criticism
Princeton subject headings:
German literature--20th century--History and criticism.
Literature and state--Germany.
Politics and literature--Germany.