Columbia subject headings:
Authors, Russian--20th century--Biography.
Pilʹni︠a︡k, Boris, 1894-1937.
Harvard subject headings:
Authors, Russian--20th century--Biography
Pilʹni︠a︡k, Boris, 1894-1937
Princeton subject headings:
Authors, Russian--20th century--Biography.
Pilʹni︠a︡k, Boris, 1894-1937.