Columbia subject headings:
Rubt︠s︡ov, Nikolaĭ, 1936-1971--Criticism and interpretation.
Harvard subject headings:
Poets, Russian--20th century--Biography
Rubt︠s︡ov, Nikolaĭ, 1936-1971.
Russian poetry--20th century--History and criticism
Princeton subject headings:
Rubt︠s︡ov, Nikolaĭ, 1936-1971--Criticism and interpretation.