Columbia subject headings:
I︠A︡snai︠a︡ Poli︠a︡na (Tulʹskai︠a︡ oblastʹ, Russia)--Congresses.
Tolstai︠a︡, S. A. (Sofʹi︠a︡ Andreevna), 1844-1919--Congresses.
Tolstoy, Leo, graf, 1828-1910--Friends and associates--Congresses.
Tolstoy, Leo, graf, 1828-1910--Homes and haunts--Russia (Federation)--I͡Asnai͡a Poli͡ana (Tulʹskai͡a oblastʹ)--Congresses.
Harvard subject headings:
Authors' spouses--Russia--Congresses.
I︠A︡snai︠a︡ Poli︠a︡na (Tulʹskai︠a︡ oblastʹ, Russia)--Congresses.
Tolstai͡a, S. A. (Sofʹi͡a Andreevna), 1844-1919--Congresses.
Tolstoy, Leo, graf, 1828-1910--Family--Congresses.
Tolstoy, Leo, graf, 1828-1910--Homes and haunts--Russia (Federation)--I͡Asnai͡a Poli͡ana (Tulʹskai͡a oblastʹ)--Congresses.
Tolstoy, Leo, graf, 1828-1910--Marriage--Congresses.
Princeton subject headings: