Columbia subject headings:
I︠A︡roslavskai︠a︡ oblastʹ (Russia)--History.
Harvard subject headings:
I︠A︡roslavskai︠a︡ oblastʹ (Russia)--History.
Princeton subject headings:
I︠A︡roslavskaia︠ ︡oblast ́(R.S.F.S.R.)--History.