Columbia subject headings:
Harvard subject headings:
Cossacks--Russia (Federation)--Volga River Region--History.
Cossacks--Russia (Federation)--Volgogradskai︠a︡ oblastʹ.
Volga River Region (Russia)--History.
Volgogradskai︠a︡ oblastʹ (Russia)--History.
Princeton subject headings:
Cossacks--Russia (Federation)--Volzhskiĭ (Volgogradskai︠a︡ oblastʹ).
Volzhskiĭ (Volgogradskai︠a︡ oblastʹ, Russia)--History.