Columbia subject headings:
German literature--20th century--History and criticism.
German literature--History and criticism--Theory, etc.
Literature--Aesthetics.
Socialist realism in literature.
Harvard subject headings:
German literature--20th century--History and criticism
German literature--History and criticism--Theory, etc.
Literature--Aesthetics
Socialist realism in literature.
Princeton subject headings:
German literature--20th century--History and criticism.
German literature--History and criticism--Theory, etc.
Literature--Aesthetics.
Socialist realism in literature.