Columbia subject headings:
Harvard subject headings:
Physicists--Soviet Union--Biography
Science--Soviet Union--History
Vavilov, S. I. (Sergeĭ Ivanovich), 1891-1951.
Princeton subject headings:
Physicists--Soviet Union--Biography.
Science--Soviet Union--History.
Vavilov, S. I. (Sergeĭ Ivanovich), 1891-1951.