Columbia subject headings:
Anti-communist movements.
Communism and literature.
Communism in literature.
Literature, Modern--20th century--Themes, motives.
Harvard subject headings:
Authors, Exiled--20th century--Biography.
Authors, German--20th century--Political and social views
Communism and literature.
German literature--20th century--History and criticism
German literature--Foreign countries--History and criticism
Princeton subject headings:
Authors, Exiled--20th century--Biography.
Authors, German--20th century--Political and social views.
Communism and literature.
German literature--20th century--History and criticism.
German literature--Foreign countries--History and criticism.