Columbia subject headings:
Heads of state--Soviet Union--Biography.
Russia--Kings and rulers--Biography.
Harvard subject headings:
Heads of state--Soviet Union--Biography.
Kievan Rus--Kings and rulers--Biography.
Russia--Kings and rulers--Biography.
Princeton subject headings:
Heads of state--Soviet Union--Biography.
Kievan Rus--Kings and rulers--Biography.
Russia--Kings and rulers--Biography.