Columbia subject headings:
Scientists--Biography.
Scientists--Russia--Biography.
Scientists--Soviet Union--Biography.
Harvard subject headings:
Science--Russia--19th century--History.
Science--Russia--History.
Science--Soviet Union--History
Science--Soviet Union--History--20th century.
Scientists--Russia--19th century--Biography.
Scientists--Russia--Biography.
Scientists--Soviet Union--Biography
Princeton subject headings:
Science--Russia--History.