Columbia subject headings:
Russian poetry--20th century--History and criticism.
Harvard subject headings:
Russian poetry--20th century--History and criticism
Princeton subject headings:
Martynov, Leonid, 1905-1980--Criticism and interpretation.
Russian poetry--20th century--History and criticism.
Tvardovskiĭ, A. (Aleksandr), 1910-1971--Criticism and interpretation.
Zabolot︠s︡kiĭ, N. (Nikolaĭ), 1903-1958--Criticism and interpretation.