Maria Callas as Tosca in Franco Zeffirelli's production of the opera Tosca by Puccini
Grand moment de la musique à la TV : Maria Callas – « Tosca 1964 | «Association Ciao Réunion
The Royal Opera on Twitter: "A wonderful #ThrowbackThursday snap of Maria Callas as Tosca and Tito Gobbi as Scarpia in the Covent Garden Opera Company production of Tosca in 1964 🤩 This
Maria Callas at Covent Garden (TV Special 1964) - IMDb
Opera Today : Maria Callas: Tosca 1964: A film by Holger Preusse
The most influential personality in world opera - ellines.com
Magic Moments of Music”-Maria Callas & Tosca 1964 – IMZ International Music + Media Centre
How we made: Franco Zeffirelli and John Tooley on Tosca (1964) | Opera | The Guardian