Columbia subject headings:
German literature--Germany (East)--History and criticism.
Lithuanian literature--20th century--History and criticism.
Russian literature--20th century--History and criticism.
Harvard subject headings:
German literature--Germany (East)--History and criticism
Lithuanian literature--20th century--History and criticism.
Russian literature--20th century--History and criticism
Princeton subject headings:
Literature, Modern--20th century--History and criticism.
Russian literature--20th century--History and criticism.