1900 – 1920 Senarai_opera_penting

  • 1900 Louise (Gustave Charpentier)
  • 1900 Tosca (Giacomo Puccini)
  • 1901 Rusalka (Antonín Dvořák)
  • 1902 Adriana Lecouvreur (Francesco Cilea)
  • 1902 Pelléas et Mélisande (Claude Debussy)
  • 1902 Saul og David (Carl Nielsen)
  • 1904 Jenůfa (Leoš Janáček)
  • 1904 Madama Butterfly (Giacomo Puccini)
  • 1905 The Merry Widow (Franz Lehár)
  • 1905 Salome (Richard Strauss)
  • 1906 Maskarade (Carl Nielsen)
  • 1907 A Village Romeo and Juliet (Frederick Delius)
  • 1907 Ariane et Barbe-bleue (Paul Dukas)
  • 1907 The Legend of the Invisible City of Kitezh and the Maiden Fevroniya (Nikolai Rimsky-Korsakov)
  • 1907 Destiny (Leoš Janáček)
  • 1909 Elektra (Richard Strauss)
  • 1909 Il segreto di Susanna (Ermanno Wolf-Ferrari)
  • 1909 The Golden Cockerel (Nikolai Rimsky-Korsakov)
  • 1910 Don Quichotte (Jules Massenet)
  • 1910 La fanciulla del West (Giacomo Puccini)
  • 1911 Der Rosenkavalier (Richard Strauss)
  • 1911 L'heure espagnole (Maurice Ravel)
  • 1912 Ariadne auf Naxos (Richard Strauss)
  • 1912 Der ferne Klang (Schreker)
  • 1913 La vida breve (Manuel de Falla)
  • 1914 The Immortal Hour (Rutland Boughton)
  • 1914 The Nightingale (Igor Stravinsky)
  • 1916 Savitri (Gustav Holst)
  • 1917 Arlecchino (Ferruccio Busoni)
  • 1917 Eine florentinische Tragödie (Alexander von Zemlinsky)
  • 1917 La rondine (Giacomo Puccini)
  • 1917 Palestrina (Hans Pfitzner)
  • 1918 Bluebeard's Castle (Béla Bartók)
  • 1918 Gianni Schicchi (Giacomo Puccini)
  • 1918 Il tabarro (Giacomo Puccini)
  • 1918 Suor Angelica (Giacomo Puccini)
  • 1919 Die Frau ohne Schatten (Richard Strauss)
  • 1920 Die tote Stadt (Erich Wolfgang Korngold)
  • 1920 The Excursions of Mr. Broucek on the Moon and in the 15th Century (Leoš Janáček)