Columbia subject headings:
Impostors and imposture--Russia--History.
Monarchy--Russia.
Mysticism--Russia.
Russia--History.
Russia--Kings and rulers.
Harvard subject headings:
Impostors and imposture--Russia--History.
Monarchy--Russia
Mysticism--Russia.
Russia--Kings and rulers.
Soviet Union--History.
Princeton subject headings:
Curiosities and wonders--Russia.
Impostors and imposture--Russia--History.
Russia--History--Miscellanea.
Russia--Kings and rulers--Biography.