Columbia subject headings:
Harvard subject headings:
Authors, Ukrainian--20th century--Biography
Syzonenko, O. O. (Oleksandr Oleksandrovich), 1923-
Syzonenko, O. O. (Oleksandr Oleksandrovich), 1923---Biography.
Syzonenko, O. O. (Oleksandr Oleksandrovich), 1923---Friends and associates.
Princeton subject headings:
Russian literature--History and criticism.
Ukrainian literature--History and criticism.