Question: Are La Périchole and Jenůfa in the same language?
Sentence (from "La Périchole"): Henri Meilhac and Ludovic Halévy wrote the French-language libretto based on the 1829 one act play "Le carrosse du Saint-Sacrement" by Prosper Mérimée, which was revived on 13 March 1850 at the Théâtre-Français.
Relevant evidence: Yes