Columbia subject headings:
Ogarev, N. P. (Nikolaĭ Platonovich), 1813-1877--Homes and haunts--Russia (Federation)--Penzenskiĭ kraĭ.
Harvard subject headings:
Ogarev, N. P. (Nikolaĭ Platonovich), 1813-1877--Homes and haunts--Russia (Federation)--Penzenskai︠a︡ oblastʹ
Ogarev, N. P. (Nikolaĭ Platonovich), 1813-1887--Homes and haunts--Russia (Federation)--Penzenskai͡a oblastʹ
Penzenskai︠a︡ oblastʹ (Russia)--History.
Princeton subject headings: