Lev Nikolaevich Tolstoi materialy k biografii s 1886 po 1892 god.
Opulʹskai︠a︡, L. D.
Institut mirovoĭ literatury imeni A.M. Gorʹkogo.
Moskva Nauka
1979
At head of title: Akademiia nauk SSSR. Institut mirovoi literatury im. A.M. Gor'kogo
Tolstoy, Leo, graf, 1828-1910.