Columbia subject headings:
Soviet Union--Biography.
Tolstoy family.
Tolstoy, Alexandra, 1884-1979.
Tolstoy, Leo, graf, 1828-1910--Family.
United States--Biography.
Harvard subject headings:
Soviet Union--Biography.
Tolstoy family.
Tolstoy, Alexandra, 1884-1979
Tolstoy, Leo, graf, 1828-1910--Biography--Descendants.
United States--Biography.
Princeton subject headings:
Soviet Union--Biography.
Tolstoy family.
Tolstoy, Alexandra, 1884-1979.
Tolstoy, Leo, graf, 1828-1910--Biography--Descendants.
United States--Biography.