Columbia subject headings:
Archives--Russia (Federation)--Permskai︠a︡ oblastʹ--Periodicals.
Archives--Russia (Federation)--Permskai︠a︡ oblastʹ.
Permskai︠a︡ oblastʹ (Russia)--Antiquities--Periodicals.
Permskai︠a︡ oblastʹ (Russia)--History--Sources--Periodicals.
Harvard subject headings:
Archives--Russia (Federation)--Permskai︠a︡ oblastʹ--Periodicals.
Permskai︠a︡ oblastʹ (Russia)--Antiquities--Periodicals.
Permskai︠a︡ oblastʹ (Russia)--History--Sources--Periodicals.
Princeton subject headings: