New ed. Rochester: University of Rochester Press, 1993. ___. "Serov, Alexander Nikolayevich," Grove Music Online (Accessed 10 January 2006), <http://www.grovemusic.com> ___. "Vrazh’ya sila," Grove Music Online (Accessed 13 January 2006), <http://www.grovemusic.com> External links Russian libretto in HTML Russian libretto in zip file for Word Russian-language operas Operas by Alexander Serov Operas 1871 operas Operas based on plays Operas set in Russia