Columbia subject headings:
Comparative literature--Themes, motives.
German literature--Germany (East)--History and criticism.
Literature and society.
Russian literature--20th century--History and criticism.
Social conflict in literature.
Harvard subject headings:
Comparative literature--Themes, motives.
German literature--Germany (East)--History and criticism
Literature and society.
Russian literature--20th century--History and criticism
Social conflict in literature.
Princeton subject headings:
Communism in literature--Congresses.
Contradiction.
Literature and morals--Congresses.
Social conflict in literature--Congresses.