Columbia subject headings:
Nobility--Russia (Federation)--Voronezh.
Voronezh (Russia)--Genealogy.
Voronezh (Russia)--History.
Voronezhskai︠a︡ oblastʹ (Russia)--History.
Harvard subject headings:
Nobility--Russia (Federation)--Voronezhskai︠a︡ oblastʹ--Genealogy.
Nobility--Russia (Federation)--Voronezhskai︠a︡ oblastʹ.
Voronezhskai︠a︡ oblastʹ (Russia)--Genealogy.
Voronezhskai︠a︡ oblastʹ (Russia)--History.
Princeton subject headings:
Nobility--Russia (Federation)--Voronezhskai︠a︡ oblastʹ--Genealogy.
Nobility--Russia (Federation)--Voronezhskai︠a︡ oblastʹ.
Voronezhskai︠a︡ oblastʹ (Russia)--Genealogy.
Voronezhskai︠a︡ oblastʹ (Russia)--History.