File:A Night at the Opera lobby card.jpg - Wikipedia
Sonya Yoncheva - Wikipedia
File:Brown fur felt fedora.jpg - Wikipedia
Cavalleria rusticana - Wikipedia
DeFord Bailey - Wikipedia
FEDORA, by Umberto Giordano (video trailer) - YouTube
Fédora - Wikipedia
File:Edoardo Ferrari-Fontana and Margaret Matzenauer in 1915 at the Metropolitan Opera.jpg - Wikipedia
Raffaele Arié - Wikipedia
Lina Cavalieri - Wikipedia
Umberto Giordano - Wikipedia
Fedora (opera) - Wikipedia
Giuseppe Adami - Wikipedia
Giordano - Fedora, Act I - Marton, Giacomini, J. Rescigno cond. (Miskolc, Hungary, June 21, 2006) - YouTube
Médée (Cherubini) - Wikipedia
File:Fedora 10 Desktop.png - Wikipedia
Fedora (opera) - Wikipedia
File:Entrance to the Canonsburg Opera House.jpg - Wikipedia
History of opera - Wikipedia
Don Carlos - Wikipedia
Met Opera Takes On 'Fedora,' Neglected Tale of Murder and Love - The New York Times
File:"Whole Country Laughs at Chicago's Comic Opera Election Campaign (The Appleton Post Crescent Apr 4, 1927).jpg - Wikipedia
Lucas Meachem | Opera Baritone on Instagram: "In this production of Fedora, I will be playing the Fedora. But really did you know that the name of this hat derived from the
