| ERNANI | Verdi opera based on a Hugo play |
| LESMISERABLES | Musical based on a Hugo novel (3,10) |
| ENEMYMINE | 1985 sci-fi film based on a Hugo Award-winning novella |
| OTELLO | 1887 Verdi opera based on a Shakespeare play (6) |
| ATTILA | Verdi opera based on a historic invader |
| TRAVIATA | Verdi opera based on the play by Alexandre Dumas (2,8) |
| LA | Verdi opera based on the play by Alexandre Dumas (2,8) |
| LUISAMILLER | Verdi opera based on the play Kabale und Liebe by Friedrich von Schiller |
| AMASKEDBALL | Verdi opera based on the assassination of Gustav III of Sweden (1,6,4) |
| UNBALLOINMASCHERA | Verdi opera based on the assassination of King Gustav III of Sweden |
| LATRAVIATA | Verdi opera based on the novel La Dame aux Camelias (2,8) |
| LEROIDYS | Lalo opera based on a Breton legend about a flooded city |
| TURANDOT | Puccini opera based on a play by Gozzi (8) |
| HERNANI | 1830 Hugo play on which a similarly named Verdi opera is based |
| SCENE | see 15ac, 1946 Kurt Weill opera based on a play by Elmer Rice |
| STREET | 1946 Kurt Weill opera based on a play by Elmer Rice (6,5) |
| ELEKTRA | Strauss opera based on a Sophocles tragedy |
| AIDA | Opera based on a story by an Egyptologist |
| THEQUEENOFSPADES | Tchaikovsky opera based on a Pushkin story (3,5,2,6) |
| THEGAMBLER | Prokofiev opera based on a story by Dostoevsky that received its premiere in 1929 (3,7) |
