Columbia subject headings:
Dostoyevsky, Fyodor, 1821-1881--Philosophy.
Tolstoy, Leo, graf, 1828-1910--Philosophy.
Harvard subject headings:
Dostoyevsky, Fyodor, 1821-1881--Criticism and interpretation.
Tolstoy, Leo, graf, 1828-1910--Criticism and interpretation.
Princeton subject headings: