Columbia subject headings:
Russia--Foreign relations--To 1689.
Svi︠a︡toslav Igorevich, Grand Duke of Kyïv, -972?
Harvard subject headings:
Kievan Rus--Foreign relations.
Svi︠a︡toslav Igorevich, Grand Duke of Kyïv, -972?
Princeton subject headings:
Kievan Rus--Foreign relations.
Sviatoslav Igorʹevich, Grand Duke of Kiev, d. 972?