in Stanley Sadie (ed.), The New Grove Dictionary of Opera, Vol. One. London: Macmillan Publishers, Inc. 1998 . Kobbé, Gustav (1997). The New Kobbé's Opera Book, edited by the Earl of Harewood and Antony Peattie. New York: G. P. Putnam's Sons. . Phillips-Matz, Mary Jane (1994), Verdi: A Biography, Oxford and New York: Oxford University Press. . Porter, Andrew (1982), Review of: "Giuseppe Verdi. Don Carlos: Edizione integrale..., edited by Ursula Günther (and Lucian Petazzoni). 1980." Journal of the American Musicological Society, vol. 35, no. 2 (Summer, 1982), pp. 360–370. . Verdi, Giuseppe (2011). Don Carlos ("Don Carlo") in Full Score. The classic Italian translation authorized by the composer, published as DON CARLO in a revised five-act restoration, with notations for an alternative four-act version. Mineola, New York: Dover Publications, 2001, 2011. . Dover states this is an unabridged republication of the work published by G. Ricordi, Milan, undated, as Giuseppe Verdi, Don Carlo—Partitura (Valevole per l'edizione in 4 e 5 atti). Verdi, Giuseppe; Ursula Günther, editor (1986), Don Carlos, edizione integrale delle varie versioni in cinque e in quattro atti (comprendente gli inediti verdiani a cura di Ursula Günther). Second revision of the sources, prepared by Ursula Günther and Luciano Petazzoni. Piano-vocal score in two volumes with French and Italian text. Milan: Ricordi. Copyright 1974. . Walker, Frank (1962), The Man Verdi. New York: Knopf. . London: Dent. . Chicago: The University of Chicago Press (1982 paperback reprint with a new introduction by Philip Gossett). . Other sources Batchelor, Jennifer (ed.) (1992), Don Carlos/Don Carlo, London: John Calder; New York: Riverrun. . De Van, Gilles (trans. Gilda Roberts) (1998), Verdi's Theater: Creating Drama Through Music. Chicago & London: University of Chicago Press. (hardback), Gossett, Philip (2006), Divas and Scholar: Performing Italian Opera, Chicago: University of Chicago Press. Martin, George, Verdi: His Music, Life and Times (1983), New York: Dodd, Mead and Company. Osborne, Charles (1969), The Complete Operas of Verdi, New York: Da Capo Press, Inc., 1969. Parker, Roger (2007), The New Grove Guide to Verdi and His Operas, Oxford & New York: Oxford University Press. Pistone, Danièle (1995), Nineteenth-Century Italian Opera: From Rossini to Puccini, Portland, OR: Amadeus Press. Toye, Francis (1931), Giuseppe Verdi: His Life and Works, New York: Knopf, 1931 Warrack, John and West, Ewan (1992), The Oxford Dictionary of Opera New York: OUP. Werfel, Franz and Stefan, Paul (1973), Verdi: The Man and His Letters,