Columbia subject headings:
Authors, Russian--20th century--Biography.
Marshak, S. (Samuil), 1887-1964.
Harvard subject headings:
Authors, Russian--20th century--Biography
Marshak, S. (Samuil), 1887-1964
Marshak, S. (Samuil), 1887-1964--Biography.
Princeton subject headings:
Marshak, S. (Samuil), 1887-1964.
Russian literature--20th century.