Apocryphal - not apocryphal? a critical analysis of the discussion concerning the correspondence between Tsar Ivan IV Groznyj and Prince Andrej Kurbskij
Rossing, Niels.
Rønne, Birgit.
Copenhagen Rosenkilde and Bagger
1980
Ivan IV, Czar of Russia, 1530-1584.
Kurbskiĭ, Andreĭ Mikhaĭlovich, kni︠a︡z, -1583.