Columbia subject headings:
Authors, German--20th century--Political and social views.
German literature--20th century--History and criticism.
Germany--History--1918-1933.
Harvard subject headings:
Authors, German--20th century--Political and social views
German literature--20th century--History and criticism
Germany--History--1918-1933.
Politics and literature.
Princeton subject headings:
Authors, German--Political and social views.
German literature--20th century--History and criticism.
Politics and literature--Germany.