Columbia subject headings:
Authors, Russian--20th century--Correspondence.
Strakhov, N. (Nikolaĭ), 1828-1896--Correspondence.
Tolstai︠a︡, S. A. (Sofʹi︠a︡ Andreevna), 1844-1919--Correspondence.
Tolstoy, Leo, graf, 1828-1910--Correspondence.
Harvard subject headings:
Authors, Russian--20th century--Correspondence
Strakhov, N. (Nikolaĭ), 1828-1896--Correspondence.
Tolstai︠a︡, S. A. (Sofʹi︠a︡ Andreevna), 1844-1919--Correspondence.
Tolstoy, Leo, graf, 1828-1910--Correspondence.
Princeton subject headings:
Authors, Russian--20th century--Correspondence.
Strakhov, N. (Nikolaĭ), 1828-1896--Correspondence.
Tolstai︠a︡, S. A. (Sofʹi︠a︡ Andreevna), 1844-1919--Correspondence.
Tolstoy, Leo, graf, 1828-1910--Correspondence.