Columbia subject headings:
Harvard subject headings:
Kaluzhskai︠a︡ oblastʹ (Russia)--Biography.
Kaluzhskai︠a︡ oblastʹ (Russia)--Intellectual life.
Princeton subject headings:
Kaluzhskai︠a︡ oblastʹ (Russia)--Biography.
Kaluzhskai︠a︡ oblastʹ (Russia)--Intellectual life.