J. H. Prudhomme: Félicien David d'après sa correspondance inédite (S. I. M., March, 1907).
Romain Rolland: Musiciens d'aujourd'hui (Paris, 1908).
A. Soubies: 69 ans à l'Opéra Comique en deux pages (1825-1894) (Paris, 1894).
Soubies et Malherbe: Histoire de l'Opéra Comique, 1840-1860 (Paris, 1892).
LITERATURE FOR CHAPTER XI
In English
W. Ashton Ellis: The Prose Writings of Richard Wagner. Transl. of Wagner's collected prose writings, 8 vols. (London, 1899).
Henry T. Finck: Wagner and his Works, 2 vols. (New York, 1893).
W. H. Henderson: Richard Wagner, his Life and his Dramas (New York, 1901).
Albert Lavignac: The Music Dramas of Richard Wagner. Transl. by E. Singleton (New York, 1898).