Columbia subject headings:
Harvard subject headings:
Authors, Russian--20th century--Biography
Ovechkin, V. V. (Valentin Vladimirovich), 1904-1968--Biography.
Ovechkin, V. V. (Valentin Vladimirovich), 1904-1968.
Princeton subject headings:
Authors, Russian--20th century--Biography.
Ovechkin, V. V. (Valentin Vladimirovich), 1904-1968--Biography.