L'italiana in Algeri
Among his studio recordings are, for Decca, "L'italiana in Algeri" (with Teresa Berganza and Luigi Alva, 1963), "Il barbiere di Siviglia" (with Berganza, 1964), "Cavalleria rusticana" (with Elena Souliotis, Mario del Monaco, and Tito Gobbi, 1966), "Norma" (with Souliotis and del Monaco, 1967), and "Anna Bolena" (with Souliotis, Marilyn Horne, and John Alexander, 1968–69).