CD starring Carol Neblett, Placido Domingo, and Sherrill Milnes from the Royal Opera House, Covent Garden, 1977

DVD starring Carol Neblett, Placido Domingo, and Sherrill Milnes from the Royal Opera House, Covent Garden, 1977

Blu-ray starring Deborah Voigt from The Metropolitan Opera, 2010

DVD starring Barbara Daniels, Placido Domingo, and Sherril Milnes from The Metropolitan Opera, 1992

Vocal Score with Italian and English text, Ricordi

Study Guide with full libretto, Opera Classics Library, Paperback edition

Study Guide with full libretto, Opera Classics Library, Kindle edition