Mary Jane (1993), Verdi: A Biography, London & New York: Oxford University Press. Toye, Francis (1931), Giuseppe Verdi: His Life and Works, New York: Knopf Walker, Frank, The Man Verdi (1982), New York: Knopf, 1962, Chicago: University of Chicago Press. Werfel, Franz and Stefan, Paul (1973), Verdi: The Man and His Letters'', New York, Vienna House. External links Verdi: "The story" and "History" on giuseppeverdi.it Libretto on giuseppeverdi.it Retrieved 3 February 2012 Modern English translation of Victor Hugo's Hernani, the inspiration for Ernani on bedard.com. Retrieved 3 February 2012. 1844 operas Cultural depictions of Charles V, Holy Roman Emperor Italian-language operas Opera world premieres at La Fenice Operas based on plays Operas based on works by Victor Hugo Operas by Giuseppe Verdi Operas set in Germany Operas set in Spain Operas