Columbia subject headings:
Igorʹ Svi︠a︡toslavich, novgorod-severskiĭ kni︠a︡zʹ, 1151?-1202--Fiction.
Harvard subject headings:
Kievan Rus--History--To 862--Fiction.
Princeton subject headings:
Fiction.
Igorʹ Svi︠a︡toslavich, novgorod-severskiĭ kni︠a︡zʹ, 1151?-1202--Fiction.