Columbia subject headings:
Harvard subject headings:
Historic buildings--Russia (Federation)--Permskai︠a︡ oblastʹ--Guidebooks.
Permskai︠a︡ oblastʹ (Russia)--Guidebooks.
Permʹ Region (Russia)--Description and travel.
Princeton subject headings:
Historic buildings--Russia (Federation)--Permskai︠a︡ oblastʹ--Guidebooks.
Permskai︠a︡ oblastʹ (Russia)--Description and travel--Guidebooks.