Columbia subject headings:
Archaeology--Research--Russia (Federation)--Congresses.
Oborin, V. A. (Vladimir Antonovich)--Congresses.
Harvard subject headings:
Princeton subject headings:
Archaeology--Russia (Federation)--Permskai︠a︡ oblastʹ--Congresses.
Permskai︠a︡ oblastʹ (Russia)--Antiquities--Congresses.
Permskai︠a︡ oblastʹ (Russia)--Civilization--Congresses.