Columbia subject headings:
Harvard subject headings:
I͡Usupov, F. F. (Feliks Feliksovich), kni͡azʹ, 1887-1967--Fiction.
Rasputin, Grigoriĭ Efimovich, 1869-1916--Fiction.
Russia--History--Nicholas II, 1894-1917--Fiction.
Princeton subject headings:
Fiction.