Columbia subject headings:
Harvard subject headings:
Pushkin, Aleksandr Sergeevich, 1799-1837--Friends and associates.
Pushkin, Aleksandr Sergeevich, 1799-1837--Journeys--Russia (Federation)--Tverskai︠a︡ oblastʹ.
Pushkin, Aleksandr Sergeevich, 1799-1837--Travel--Russia (Federation)--Tverskai͡a oblastʹ.
Tverskai︠a︡ oblastʹ (Russia)--Intellectual life.
Princeton subject headings:
Kalininskai︠a︡ oblastʹ (Russia)--Intellectual life.
Pushkin, Aleksandr Sergeevich, 1799-1837--Friends and associates.
Pushkin, Aleksandr Sergeevich, 1799-1837--Travel--Russia (Federation)--Kalininskai︠a︡ oblastʹ.