Columbia subject headings:
Harvard subject headings:
Sverdlovskai︠a︡ oblastʹ (Russia)--Civilization.
Sverdlovskai︠a︡ oblastʹ (Russia)--History.
Princeton subject headings:
Sverdlovskai︠a︡ oblastʹ (Russia)--Civilization.
Sverdlovskai︠a︡ oblastʹ (Russia)--History.