Columbia subject headings:
Authors, German--20th century--Political and social views.
Communism and literature.
German literature--20th century--History and criticism.
Germany--Politics and government--1918-1933.
Socialism and literature.
Soviet Union--History--Revolution, 1917-1921.
Harvard subject headings:
Authors, German--20th century--Political and social views
Communism and literature--Germany.
Communism and literature.
German literature--20th century--History and criticism
German literature--Russian influences.
Germany--Politics and government--1918-1933
Politics and literature--Germany--History--20th century.
Right and left (Political science) in literature.
Socialism and literature--Germany.
Socialism and literature.
Soviet Union--History--Revolution, 1917-1921.
Princeton subject headings:
Authors, German--20th century--Political and social views.
Communism and literature.
German literature--20th century--History and criticism.
Germany--Politics and government--1918-1933.
Socialism and literature.
Soviet Union--History--Revolution, 1917-1921.