Title: Apocryphal, not apocryphal? : a critical analysis of the discussion concerning the correspondence between Tsar Ivan IV Groznyj and Prince Andrej Kurbskij /
Authors: Rossing, Niels.; Rønne, Birgit.
Publisher: Rosenkilde and Bagger,
Year: 1980
Subjects: Ivan; Kurbskiĭ, Andreĭ Mikhaĭlovich,; Keenan, Edward L.,; Russia History Sources.