Columbia subject headings:
Harvard subject headings:
Authors, Russian--20th century--Correspondence
Russian literature--20th century--History and criticism
Tvardovskiĭ, A. (Aleksandr), 1910-1971--Correspondence.
Princeton subject headings:
Authors, Russian--Correspondence.
Russian literature--20th century--History and criticism.
Tvardovskiĭ, A. (Aleksandr), 1910-1971. Correspondence.