La belle Hélène
The end of the trio ('Le jeu, fièvre brûlante') refers to the duo of Blondel and Richard 'Une fièvre brûlante' from Act II of "Richard Coeur-de-lion". In the scene of ‘jeu d’oie’ in Act II of "La belle Hélène" Offenbach referred back to "Le financier et le savetier".