Columbia subject headings:
Balkan Peninsula--Relations--Kievan Rus.
Kievan Rus--Relations--Balkan Peninsula.
Mošin, Vladimir A.
Slavic literature, Southern--History and criticism.
Slavs, Southern--History.
Harvard subject headings:
Church Slavic philology
Mošin, Vladimir A.
Slavic countries--Civilization.
Slavic philology.
Slavs, Southern--History
Princeton subject headings:
Church Slavic philology.
Mošin, Vladimir A.
Slavic countries--Civilization.
Slavic philology.