Title: Apocryphal, not apocryphal?
Subjects: History, Sources
Places: Russia
People: Andreĭ Mikhaĭlovich Kurbskiĭ kni︠a︡zʹ (d. 1583), Edward L. Keenan (1935-), Ivan IV the Terrible, Czar of Russia (1530-1584)
Time periods: Ivan IV, 1533-1584