| 100% | BOHEME | 6 | "Scènes de la Vie de ___" (novel on which a Puccini opera is based) |
| 66% | LATOSCA | 7 | 1887 drama on which a Puccini opera is based |
| 65% | MADAMEBUTTERFLY | 15 | Cho-Cho-San story on which a Puccini opera was based |
| 59% | SARDOU | 6 | Victorien who wrote “La Tosca,” on which the Puccini opera is based |
| 56% | LATOSCA | 7 | 1887 play on which a 1900 opera is based |
| 50% | PORGY | 5 | DuBose Heyward novel on which an opera was based |
| 46% | LATOSCA | 7 | Play after which a Puccini opera was named |
| 46% | ATTILA | 6 | Historical figure on whom a Verdi opera is based |
| 45% | LABOHEME | 8 | Opera on which the musical Rent was based |
| 45% | EMMA | 4 | Novel on which the film "Clueless" is based |
| 45% | SUITABLE | 8 | "A ___ Boy," television drama miniseries on Netflix which is based on a novel by Vikram Seth |
| 45% | BLOOM | 5 | 2003 Irish film directed by Sean Walsh which is based on a novel by James Joyce |
| 44% | EMMA | 4 | Novel on which "Clueless" is based |
| 44% | EMMA | 4 | 1815 novel on which the film "Clueless" was based |
| 44% | RICH | 4 | Jon M. Chu's 2018 film "Crazy ___ Asians" which is based on a 2013 novel of the same name |
| 43% | EMMA | 4 | Jane Austen novel on which “Clueless” is based |
| 43% | THEPHANTOMOF | 12 | Musical based on a French novel, "___ the Opera" is the longest-running show on Broadway: 3 wds. |
| 43% | SWEETBITTER | 11 | American drama TV series starring Ella Purnell which is based on a novel of the same name by Stephanie Danler |
| 43% | FOUNTAINHEAD | 12 | "The ___," 1949 drama film starring Gary Cooper which was based on a novel of the same name by Ayn Rand |
| 43% | MIND | 4 | "A Beautiful ___" biographical drama based on a novel by Sylvia Nasar which is about a Nobel laureate John Nash |
| 43% | ULYSSES | 7 | 1967 film directed by Joseph Strick which is loosely based on a novel by James Joyce |
| 43% | FOURTHESTATE | 12 | "The ___," a novel by Jeffrey Archer in which a character was based on media mogul Rupert Murdoch (birthday today): 2 wds. |
| 42% | EMMA | 4 | Jane Austen novel on which "Clueless" is based |
| 42% | BEDROCK | 7 | Fundamental principles on which a thing is based |
| 42% | RODERICKTHORP | 13 | Author who wrote "Nothing Lasts Forever," the novel on which movie in 17a was based: 2 wds. |
| 42% | LABOHEME | 8 | Opera on which "Rent" is based |
| 42% | PORTRAIT | 8 | "A ___ of the Artist as a Young Man," 1977 film directed by Joseph Strick which is based on a novel by James Joyce |
| 42% | JURASSICPARK | 12 | 1993 sci-fi adventure film about cloned dinosaurs which was based on a Michael Crichton novel of the same name: 2 wds. |
| 42% | IAM | 3 | “___ a Camera” (play on which the musical “Cabaret” was based) |