Columbia subject headings:
I︠A︡roslavlʹ (I︠A︡roslavskai︠a︡ oblastʹ, Russia)--History--Sources.
Harvard subject headings:
I︠A︡roslavlʹ (I︠A︡roslavskai︠a︡ oblastʹ, Russia)--History--Sources.
Princeton subject headings: