Columbia subject headings:
German literature--20th century--History and criticism.
Realism in literature.
Russian literature--20th century--History and criticism.
Socialist realism in literature.
Harvard subject headings:
German literature--20th century--History and criticism
Realism in literature.
Russian literature--20th century--History and criticism
Socialist realism in literature.
Princeton subject headings:
German literature--20th century--History and criticism.
Realism in literature.
Russian literature--20th century--History and criticism.
Socialist realism in literature.