Columbia subject headings:
Church music--Kievan Rus--History and criticism.
Church music--Russia--History and criticism.
Church music--Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ.
Kievan Rus--Social conditions.
Music--Kievan Rus--History and criticism.
Music--Religious aspects.
Music--Russia--History and criticism.
Russia--Social conditions.
Harvard subject headings:
Church music--Kievan Rus--History and criticism.
Church music--Russia--History and criticism.
Church music--Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ
Kievan Rus--Social conditions.
Music--Kievan Rus--History and criticism.
Music--Religious aspects
Music--Russia--History and criticism
Russia--Social conditions.
Princeton subject headings:
Church music--Kievan Rus--History and criticism.
Church music--Russia--History and criticism.
Church music--Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ.
Kievan Rus--Social conditions.
Music--Kievan Rus--History and criticism.
Music--Religious aspects.
Music--Russia--History and criticism.
Russia--Social conditions.