Title: Kni︠a︡zʹ Kurbskiĭ i oprichnina Ivana Groznogo
Subjects: History, Sources, Russia. Oprichnina, Russia
Places: Russia
People: Andreĭ Mikhaĭlovich Kurbskiĭ kni︠a︡zʹ (-1583), Ivan IV Czar of Russia (1530-1584)
Time periods: Ivan IV, 1533-1584