Maria Callas-Casta Diva-(Bellini-Norma)1961 - YouTube
Norma (opera) - Wikipedia
Bellini: Norma, Act 1: "Casta diva" (Norma, Chorus) by Maria Callas
A Definitive New Callas | by Michael Shae | The New York Review of Books
Bellini - Casta Diva from Norma - Trailer - Principal Chairs
Vincenzo Bellini – Norma – Maria Callas, Orch del Teatro alla Scala di Milano, Tullio Serafin (1960/2014) [Official Digital Download 24bit/96kHz] – HDMusic