La Glu, drame lyrique after the novel by Jean Richepin
Aphrodite, drame musical in five acts and seven tableaux after the novel by Pierre Louÿs, adaptation by Louis de Gramont, 23 (or 27?) March 1906, Opéra-Comique
Hannele Mattern, rêve lyrique in five acts (1911), libretto by Jean Thorel and Louis-Ferdinand de Gramont (1854–1912) after the drama Hanneles Himmelfahrt by Gerhart Hauptmann, 28 January 1950, Strasbourg (Opéra du Rhin)
Jacobshagen, Arnold: "Erlanger, Camille", in: Die Musik in Geschichte und Gegenwart (MMG), biographical part, vol. 6 (Kassel: Bärenreiter, 2001; ISBN3-7618-1116-0), cc. 437.