Columbia subject headings:
Tolstoy, Leo, graf, 1828-1910--Appreciation--France--Congresses.
Tolstoy, Leo, graf, 1828-1910--Appreciation--Germany--Congresses.
Tolstoy, Leo, graf, 1828-1910--Appreciation--Spain--Congresses.
Tolstoy, Leo, graf, 1828-1910--Influence--Congresses.
Harvard subject headings:
Princeton subject headings:
Tolstoy, Leo, graf, 1828-1910--Appreciation--France--Congresses.
Tolstoy, Leo, graf, 1828-1910--Appreciation--Germany--Congresses.
Tolstoy, Leo, graf, 1828-1910--Appreciation--Spain--Congresses.
Tolstoy, Leo, graf, 1828-1910--Influence--Congresses.