Columbia subject headings:
Harvard subject headings:
Ri︠a︡zanskai︠a︡ oblastʹ (Russia)--Intellectual life--19th century.
Ri︠a︡zanskai︠a︡ oblastʹ (Russia)--Intellectual life--20th century.
Ri︠a︡zanskai︠a︡ oblastʹ (Russia)--Intellectual life.
Russian literature--Russia (Federation)--Ri͡azanskai͡a oblastʹ
Princeton subject headings:
Ri︠a︡zanskai︠a︡ oblastʹ (Russia)--Intellectual life.