Columbia subject headings:
Tolstoy, Alexandra, 1884-1979--Correspondence.
Tolstoy, Alexandra, 1884-1979.
Tolstoy, Leo, graf, 1828-1910--Family.
Harvard subject headings:
Tolstoy, Alexandra, 1884-1979
Tolstoy, Alexandra, 1884-1979--Correspondence.
Tolstoy, Leo, graf, 1828-1910--Family.
Princeton subject headings:
Tolstoy, Alexandra, 1884-1979.