- Le Villi - 1 act - Italian
- Libretto by Ferdinando Fontana
- First performance at Teatro Dal Verme on 31 May 1884
- Edgar - 4 acts - Italian
- Libretto by Ferdinando Fontana
- First performance at La Scala on 21 April 1889
- Manon Lescaut - Italian
- Libretto by Luigi Illica, Marco Praga and Domenico Oliva
- First performance at Teatro Regio on 1 February 1893
- La Bohème - Italian
- Libretto by Luigi Illica and Giuseppe Giacosa
- First performance at Teatro Regio of Torino on 1 February 1896
- Tosca - Verismo - Italian
- Libretto by Luigi Illica and Giuseppe Giacosa
- First performance at Teatro Costanzi on 14 January 1900
- Madama Butterfly - 2 acts - Italian
- Libretto by Luigi Illica and Giuseppe Giacosa
- First performance at La Scala on 17 February 1904
- La fanciulla del West - Italian
- Libretto by Guelfo Civinini and Carlo Zangarini
- First performance at Metropolitan Opera on 10 December 1910
- La Rondine - Italian
- Libretto by Giuseppe Adami
- First performance at Opéra of Monte Carlo on 27 March 1917
- Il trittico - Italian
- First performance at Metropolitan Opera on 14 December 1918
- Il tabarro - 1 act - Italian
- Libretto by Giuseppe Adami
- First performance at Metropolitan Opera on 14 December 1918
- Suor Angelica - 1 act - Italian
- Libretto by Giovacchino Forzano
- First performance at Metropolitan Opera on 14 December 1918
- Gianni Schicchi - 1 act - Italian
- Libretto by Giovacchino Forzano
- First performance at Metropolitan Opera on 14 December 1918
- Turandot - 3 acts - Italian
- Libretto by Giuseppe Adami and Renato Simoni
- First performance at Teatro alla Scala, Milan on 25 April 1926
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