Columbia subject headings:
Kievan Rus--Kings and rulers--Biography--Dictionaries.
Monarchy--Russia--Encyclopedias.
Russia--Kings and rulers--Biography--Dictionaries.
Harvard subject headings:
Kievan Rus--Kings and rulers--Biography--Dictionaries.
Monarchy--Russia--Encyclopedias.
Russia--Kings and rulers--Biography--Dictionaries.
Princeton subject headings:
Dictionaries.
Encyclopedias.
Kievan Rus--Kings and rulers--Biography--Dictionaries.
Monarchy--Russia--Encyclopedias.
Russia--Kings and rulers--Biography--Dictionaries.