Glinka, M. I. (Mikhail Ivanovich), 1804-1857. Zhiznʹ za t︠s︡ari︠a︡

found: Glinka, M.I. A life for the Tsar [SR] p1991:label (A life for the Tsar : Ivan Susanin) insert, p. 1 (Žiznʹ za carja : Ivan Susanin = A life for the Tsar : Ivan Susanin = Ein Leben für den Zaren : Iwan Sussanin = La vie pour le Tsar : Ivan Soussanine; libretto, Baron Rosen) p. 15 (after the Russian Revolution, the original title Ivan Susanin was restored and a new libretto prepared by Sergei Gorodetsky, in which the name of the Tsar was replaced throughout; opera again produced at Bolshoi Theater in 1989, using the original text and with the title, A life for the Tsar)

found: Brown, D. Mikhail Glinka, 1985:p. 3 (the problem of "incorrect" sentiments in the words of some of Glinka's other vocal pieces has been solved by the provision of new texts ... one really serious case of text substitution is the wholesale re-writing of the libretto of A life for the Tsar ... now known by its original title, Ivan Susanin)

found: Pazdírek(Zhiznʹ za t︠s︡ari︠a︡ = Leben für den Czar = La vie pour le czar)

found: Grove music online, viewed May 7, 2013(under Life for the Tsar, A: Life for the Tsar, A (Zhizn' za tsarya; Ivan Susanin); libretto by Baron Yegor Fyodorovich Rozen, Vladimir Sollogub, Nestor Vasil'yevich Kukol'nik, and Vasiliy Andreyevich Zhukovsky; first performed November 27/December 9, 1836, Bol'shoy Theatre, St. Petersburg, 27 November/9 December 1836; performed as Ivan Susanin with a new libretto by Sergey Gorodetsky on February 21, 1939, Bol'shoy Theatre, Moscow)