La traviata: Melodramma in Three Acts , by Giuseppe Verdi , libretto by Francesco Maria Piave, edited by Fabrizio Della Seta. The Works of Giuseppe Ver di, ser. 1, Operas 19. 2 vols. : University of Chicago Press ; Milan: Ricordi, 1996 . Introduction and score: lxxv, 525 pp., 5 plates; critical commentary: viii, 158 pp.