Perepiska Ivana Groznogo s Andreem Kurbskim - Lurʹe, ︠I︡A. S. (︠I︡Akov Solomonovich); Rykov, ︠I︡U. D.; Likhachev, Dmitriĭ Sergeevich (Literaturnye pam︠i︡atniki., 1993)