Source: https://www.researchgate.net/profile/Jacques_Protat/publication/309212023_Le_Cabaret_new-yorkais_Prolegomenes_a_l'analyse_d'un_genre_spectaculaire/links/5805fc8108ae03256b75df12/Le-Cabaret-new-yorkais-Prolegomenes-a-lanalyse-dun-genre-spectaculaire.pdf