Columbia subject headings:
Communism.
National characteristics, Russian.
Polish literature--20th century--History and criticism.
Russian literature--20th century--History and criticism.
Harvard subject headings:
Communism.
National characteristics, Russian.
Polish literature--20th century--History and criticism.
Russian literature--20th century--History and criticism
Princeton subject headings:
Communism.
National characteristics, Russian.
Polish literature--20th century--History and criticism.
Russian literature--20th century--History and criticism.