Columbia subject headings:
Names, Geographical--Russia (Federation)--Penzenskai︠a︡ oblastʹ.
Penzenskai︠a︡ oblastʹ (Russia)--Names.
Toponymy.
Harvard subject headings:
Princeton subject headings:
Names, Geographical--Russia (Federation)--Penzenskai︠a︡ oblastʹ.
Penzenskai︠a︡ oblastʹ (Russia)--Names.
Toponymy.